19874338

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31151}}^1$

素因数の和:31193

約数の個数: 16

約数和(自身を含む): 33644160

約数和(自身を除く): 13769822

約数列:

[1, 2, 11, 22, 29, 58, 319, 638, 31151, 62302, 342661, 685322, 903379, 1806758, 9937169, 19874338]

約数ペア:

[(1, 19874338), (2, 9937169), (11, 1806758), (22, 903379), (29, 685322), (58, 342661), (319, 62302), (638, 31151)]