220758644

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{2904719}}^1$

素因数の和:2904742

約数の個数: 12

約数和(自身を含む): 406660800

約数和(自身を除く): 185902156

約数列:

[1, 2, 4, 19, 38, 76, 2904719, 5809438, 11618876, 55189661, 110379322, 220758644]

約数ペア:

[(1, 220758644), (2, 110379322), (4, 55189661), (19, 11618876), (38, 5809438), (76, 2904719)]