19997674895

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{19136531}}^1$

素因数の和:19136566

約数の個数: 16

約数和(自身を含む): 27556606080

約数和(自身を除く): 7558931185

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 19136531, 95682655, 210501841, 363594089, 1052509205, 1817970445, 3999534979, 19997674895]

約数ペア:

[(1, 19997674895), (5, 3999534979), (11, 1817970445), (19, 1052509205), (55, 363594089), (95, 210501841), (209, 95682655), (1045, 19136531)]