17820044

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{405001}}^1$

素因数の和:405016

約数の個数: 12

約数和(自身を含む): 34020168

約数和(自身を除く): 16200124

約数列:

[1, 2, 4, 11, 22, 44, 405001, 810002, 1620004, 4455011, 8910022, 17820044]

約数ペア:

[(1, 17820044), (2, 8910022), (4, 4455011), (11, 1620004), (22, 810002), (44, 405001)]