19117475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{997}}^1$

素因数の和:1079

約数の個数: 24

約数和(自身を含む): 25987920

約数和(自身を除く): 6870445

約数列:

[1, 5, 13, 25, 59, 65, 295, 325, 767, 997, 1475, 3835, 4985, 12961, 19175, 24925, 58823, 64805, 294115, 324025, 764699, 1470575, 3823495, 19117475]

約数ペア:

[(1, 19117475), (5, 3823495), (13, 1470575), (25, 764699), (59, 324025), (65, 294115), (295, 64805), (325, 58823), (767, 24925), (997, 19175), (1475, 12961), (3835, 4985)]