Express the monomial as a product of its factors.
Express 19 as a product of 1 · 19.
19m3 = 1 ·19 · m3
19m3 = 1 ·19 · m · m · m (Express m3 as a product of m · m · m)
The factors of 19m3 is 1 ·19 · m · m · m.