18331391

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1657}}^1$

素因数の和:1730

約数の個数: 16

約数和(自身を含む): 21169344

約数和(自身を除く): 2837953

約数列:

[1, 13, 23, 37, 299, 481, 851, 1657, 11063, 21541, 38111, 61309, 495443, 797017, 1410107, 18331391]

約数ペア:

[(1, 18331391), (13, 1410107), (23, 797017), (37, 495443), (299, 61309), (481, 38111), (851, 21541), (1657, 11063)]