19580044

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{445001}}^1$

素因数の和:445016

約数の個数: 12

約数和(自身を含む): 37380168

約数和(自身を除く): 17800124

約数列:

[1, 2, 4, 11, 22, 44, 445001, 890002, 1780004, 4895011, 9790022, 19580044]

約数ペア:

[(1, 19580044), (2, 9790022), (4, 4895011), (11, 1780004), (22, 890002), (44, 445001)]