19538222

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{21661}}^1$

素因数の和:21715

約数の個数: 16

約数和(自身を含む): 32752944

約数和(自身を除く): 13214722

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 21661, 43322, 238271, 476542, 888101, 1776202, 9769111, 19538222]

約数ペア:

[(1, 19538222), (2, 9769111), (11, 1776202), (22, 888101), (41, 476542), (82, 238271), (451, 43322), (902, 21661)]