19227806

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{163}}^1\times {\mathrm{349}}^1$

素因数の和:540

約数の個数: 24

約数和(自身を含む): 31512600

約数和(自身を除く): 12284794

約数列:

[1, 2, 13, 26, 163, 169, 326, 338, 349, 698, 2119, 4238, 4537, 9074, 27547, 55094, 56887, 58981, 113774, 117962, 739531, 1479062, 9613903, 19227806]

約数ペア:

[(1, 19227806), (2, 9613903), (13, 1479062), (26, 739531), (163, 117962), (169, 113774), (326, 58981), (338, 56887), (349, 55094), (698, 27547), (2119, 9074), (4238, 4537)]