  This paper deals with function field analogues of famous theorems of Laudau
which counted the number of integers which have $t$ prime factors and R. Hall
which researched the distribution of divisors of integers in residue
classes.\;We extend the Selberg-Delange method to handle the following
problems.\;The number of monic polynomials with degree $n$ have $t$ irreducible
factors;\;The number of monic polynomials with degree $n$ in some residue
classes have $t$ irreducible factors and the residue classes distribution of
divisors of monic polynomial.\;
