22181872

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{81551}}^1$

素因数の和:81576

約数の個数: 20

約数和(自身を含む): 45506016

約数和(自身を除く): 23324144

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 81551, 163102, 326204, 652408, 1304816, 1386367, 2772734, 5545468, 11090936, 22181872]

約数ペア:

[(1, 22181872), (2, 11090936), (4, 5545468), (8, 2772734), (16, 1386367), (17, 1304816), (34, 652408), (68, 326204), (136, 163102), (272, 81551)]