19888504

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{146239}}^1$

素因数の和:146262

約数の個数: 16

約数和(自身を含む): 39484800

約数和(自身を除く): 19596296

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 146239, 292478, 584956, 1169912, 2486063, 4972126, 9944252, 19888504]

約数ペア:

[(1, 19888504), (2, 9944252), (4, 4972126), (8, 2486063), (17, 1169912), (34, 584956), (68, 292478), (136, 146239)]