19376464

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{71237}}^1$

素因数の和:71262

約数の個数: 20

約数和(自身を含む): 39750804

約数和(自身を除く): 20374340

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 71237, 142474, 284948, 569896, 1139792, 1211029, 2422058, 4844116, 9688232, 19376464]

約数ペア:

[(1, 19376464), (2, 9688232), (4, 4844116), (8, 2422058), (16, 1211029), (17, 1139792), (34, 569896), (68, 284948), (136, 142474), (272, 71237)]