19540972

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{444113}}^1$

素因数の和:444128

約数の個数: 12

約数和(自身を含む): 37305576

約数和(自身を除く): 17764604

約数列:

[1, 2, 4, 11, 22, 44, 444113, 888226, 1776452, 4885243, 9770486, 19540972]

約数ペア:

[(1, 19540972), (2, 9770486), (4, 4885243), (11, 1776452), (22, 888226), (44, 444113)]