18218707

素因数分解:

${\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{1609}}^1$

素因数の和:1702

約数の個数: 12

約数和(自身を含む): 20034840

約数和(自身を除く): 1816133

約数列:

[1, 13, 67, 169, 871, 1609, 11323, 20917, 107803, 271921, 1401439, 18218707]

約数ペア:

[(1, 18218707), (13, 1401439), (67, 271921), (169, 107803), (871, 20917), (1609, 11323)]