19904222

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{3343}}^1$

素因数の和:3587

約数の個数: 16

約数和(自身を含む): 32303040

約数和(自身を除く): 12398818

約数列:

[1, 2, 13, 26, 229, 458, 2977, 3343, 5954, 6686, 43459, 86918, 765547, 1531094, 9952111, 19904222]

約数ペア:

[(1, 19904222), (2, 9952111), (13, 1531094), (26, 765547), (229, 86918), (458, 43459), (2977, 6686), (3343, 5954)]