18317660

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{39821}}^1$

素因数の和:39853

約数の個数: 24

約数和(自身を含む): 40140576

約数和(自身を除く): 21822916

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 39821, 79642, 159284, 199105, 398210, 796420, 915883, 1831766, 3663532, 4579415, 9158830, 18317660]

約数ペア:

[(1, 18317660), (2, 9158830), (4, 4579415), (5, 3663532), (10, 1831766), (20, 915883), (23, 796420), (46, 398210), (92, 199105), (115, 159284), (230, 79642), (460, 39821)]