18507320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{35591}}^1$

素因数の和:35615

約数の個数: 32

約数和(自身を含む): 44845920

約数和(自身を除く): 26338600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 35591, 71182, 142364, 177955, 284728, 355910, 462683, 711820, 925366, 1423640, 1850732, 2313415, 3701464, 4626830, 9253660, 18507320]

約数ペア:

[(1, 18507320), (2, 9253660), (4, 4626830), (5, 3701464), (8, 2313415), (10, 1850732), (13, 1423640), (20, 925366), (26, 711820), (40, 462683), (52, 355910), (65, 284728), (104, 177955), (130, 142364), (260, 71182), (520, 35591)]