19485268

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{3919}}^1$

素因数の和:4047

約数の個数: 24

約数和(自身を含む): 37537920

約数和(自身を除く): 18052652

約数列:

[1, 2, 4, 11, 22, 44, 113, 226, 452, 1243, 2486, 3919, 4972, 7838, 15676, 43109, 86218, 172436, 442847, 885694, 1771388, 4871317, 9742634, 19485268]

約数ペア:

[(1, 19485268), (2, 9742634), (4, 4871317), (11, 1771388), (22, 885694), (44, 442847), (113, 172436), (226, 86218), (452, 43109), (1243, 15676), (2486, 7838), (3919, 4972)]