19800044

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{450001}}^1$

素因数の和:450016

約数の個数: 12

約数和(自身を含む): 37800168

約数和(自身を除く): 18000124

約数列:

[1, 2, 4, 11, 22, 44, 450001, 900002, 1800004, 4950011, 9900022, 19800044]

約数ペア:

[(1, 19800044), (2, 9900022), (4, 4950011), (11, 1800004), (22, 900002), (44, 450001)]