18920287799

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3308321}}^1$

素因数の和:3308390

約数の個数: 16

約数和(自身を含む): 23290586880

約数和(自身を除く): 4370299081

約数列:

[1, 7, 19, 43, 133, 301, 817, 5719, 3308321, 23158247, 62858099, 142257803, 440006693, 995804621, 2702898257, 18920287799]

約数ペア:

[(1, 18920287799), (7, 2702898257), (19, 995804621), (43, 440006693), (133, 142257803), (301, 62858099), (817, 23158247), (5719, 3308321)]