19051291

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{491}}^1$

素因数の和:762

約数の個数: 16

約数和(自身を含む): 22860288

約数和(自身を除く): 3808997

約数列:

[1, 7, 23, 161, 241, 491, 1687, 3437, 5543, 11293, 38801, 79051, 118331, 828317, 2721613, 19051291]

約数ペア:

[(1, 19051291), (7, 2721613), (23, 828317), (161, 118331), (241, 79051), (491, 38801), (1687, 11293), (3437, 5543)]