18457660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{70991}}^1$

素因数の和:71013

約数の個数: 24

約数和(自身を含む): 41743296

約数和(自身を除く): 23285636

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 70991, 141982, 283964, 354955, 709910, 922883, 1419820, 1845766, 3691532, 4614415, 9228830, 18457660]

約数ペア:

[(1, 18457660), (2, 9228830), (4, 4614415), (5, 3691532), (10, 1845766), (13, 1419820), (20, 922883), (26, 709910), (52, 354955), (65, 283964), (130, 141982), (260, 70991)]