18618535

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{2677}}^1$

素因数の和:2802

約数の個数: 16

約数和(自身を含む): 24294816

約数和(自身を除く): 5676281

約数列:

[1, 5, 13, 65, 107, 535, 1391, 2677, 6955, 13385, 34801, 174005, 286439, 1432195, 3723707, 18618535]

約数ペア:

[(1, 18618535), (5, 3723707), (13, 1432195), (65, 286439), (107, 174005), (535, 34801), (1391, 13385), (2677, 6955)]