18909151

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{353}}^1$

素因数の和:530

約数の個数: 16

約数和(自身を含む): 21104064

約数和(自身を除く): 2194913

約数列:

[1, 17, 23, 137, 353, 391, 2329, 3151, 6001, 8119, 48361, 53567, 138023, 822137, 1112303, 18909151]

約数ペア:

[(1, 18909151), (17, 1112303), (23, 822137), (137, 138023), (353, 53567), (391, 48361), (2329, 8119), (3151, 6001)]