19877896

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{146161}}^1$

素因数の和:146184

約数の個数: 16

約数和(自身を含む): 39463740

約数和(自身を除く): 19585844

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 146161, 292322, 584644, 1169288, 2484737, 4969474, 9938948, 19877896]

約数ペア:

[(1, 19877896), (2, 9938948), (4, 4969474), (8, 2484737), (17, 1169288), (34, 584644), (68, 292322), (136, 146161)]