19534945

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{3371}}^1$

素因数の和:3456

約数の個数: 16

約数和(自身を含む): 25087680

約数和(自身を除く): 5552735

約数列:

[1, 5, 19, 61, 95, 305, 1159, 3371, 5795, 16855, 64049, 205631, 320245, 1028155, 3906989, 19534945]

約数ペア:

[(1, 19534945), (5, 3906989), (19, 1028155), (61, 320245), (95, 205631), (305, 64049), (1159, 16855), (3371, 5795)]