18716815

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{2851}}^1$

素因数の和:2970

約数の個数: 16

約数和(自身を含む): 24435936

約数和(自身を除く): 5719121

約数列:

[1, 5, 13, 65, 101, 505, 1313, 2851, 6565, 14255, 37063, 185315, 287951, 1439755, 3743363, 18716815]

約数ペア:

[(1, 18716815), (5, 3743363), (13, 1439755), (65, 287951), (101, 185315), (505, 37063), (1313, 14255), (2851, 6565)]