39488 ÷ 1 = 39488 R0
Alright, let's work through the division of 39488 by 1 step by step.

Step 1:
1 goes into 3 3 times with a remainder of 0.
Write down 3 as next digit of of the result. 
Result so far: 3
Subtract 3 from 3 to get 0.
Bring next digit (9) of the dividend behind the 0 and repeat the process: 9 / 1

Step 2:
1 goes into 9 9 times with a remainder of 0.
Write down 9 as next digit of of the result. 
Result so far: 39
Subtract 9 from 9 to get 0.
Bring next digit (4) of the dividend behind the 0 and repeat the process: 4 / 1

Step 3:
1 goes into 4 4 times with a remainder of 0.
Write down 4 as next digit of of the result. 
Result so far: 394
Subtract 4 from 4 to get 0.
Bring next digit (8) of the dividend behind the 0 and repeat the process: 8 / 1

Step 4:
1 goes into 8 8 times with a remainder of 0.
Write down 8 as next digit of of the result. 
Result so far: 3948
Subtract 8 from 8 to get 0.
Bring next digit (8) of the dividend behind the 0 and repeat the process: 8 / 1

Step 5:
1 goes into 8 8 times with a remainder of 0.
Write down 8 as next digit of of the result. 
Result so far: 39488
Subtract 8 from 8 to get 0.

The final result is 39488 with a remainder of 0.