19177796

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{435859}}^1$

素因数の和:435874

約数の個数: 12

約数和(自身を含む): 36612240

約数和(自身を除く): 17434444

約数列:

[1, 2, 4, 11, 22, 44, 435859, 871718, 1743436, 4794449, 9588898, 19177796]

約数ペア:

[(1, 19177796), (2, 9588898), (4, 4794449), (11, 1743436), (22, 871718), (44, 435859)]