19889782

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{14821}}^1$

素因数の和:14895

約数の個数: 16

約数和(自身を含む): 33082704

約数和(自身を除く): 13192922

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 14821, 29642, 163031, 326062, 904081, 1808162, 9944891, 19889782]

約数ペア:

[(1, 19889782), (2, 9944891), (11, 1808162), (22, 904081), (61, 326062), (122, 163031), (671, 29642), (1342, 14821)]