18995545

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{1123}}^1$

素因数の和:1344

約数の個数: 16

約数和(自身を含む): 24278400

約数和(自身を除く): 5282855

約数列:

[1, 5, 17, 85, 199, 995, 1123, 3383, 5615, 16915, 19091, 95455, 223477, 1117385, 3799109, 18995545]

約数ペア:

[(1, 18995545), (5, 3799109), (17, 1117385), (85, 223477), (199, 95455), (995, 19091), (1123, 16915), (3383, 5615)]