19900153

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{577}}^1$

素因数の和:976

約数の個数: 16

約数和(自身を含む): 24599680

約数和(自身を除く): 4699527

約数列:

[1, 7, 13, 91, 379, 577, 2653, 4039, 4927, 7501, 34489, 52507, 218683, 1530781, 2842879, 19900153]

約数ペア:

[(1, 19900153), (7, 2842879), (13, 1530781), (91, 218683), (379, 52507), (577, 34489), (2653, 7501), (4039, 4927)]