19919306

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{14843}}^1$

素因数の和:14917

約数の個数: 16

約数和(自身を含む): 33131808

約数和(自身を除く): 13212502

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 14843, 29686, 163273, 326546, 905423, 1810846, 9959653, 19919306]

約数ペア:

[(1, 19919306), (2, 9959653), (11, 1810846), (22, 905423), (61, 326546), (122, 163273), (671, 29686), (1342, 14843)]