18956015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{15349}}^1$

素因数の和:15386

約数の個数: 16

約数和(自身を含む): 25788000

約数和(自身を除く): 6831985

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 15349, 76745, 199537, 291631, 997685, 1458155, 3791203, 18956015]

約数ペア:

[(1, 18956015), (5, 3791203), (13, 1458155), (19, 997685), (65, 291631), (95, 199537), (247, 76745), (1235, 15349)]