18783111

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{1987}}^1$

素因数の和:2150

約数の個数: 16

約数和(自身を含む): 26337024

約数和(自身を除く): 7553913

約数列:

[1, 3, 23, 69, 137, 411, 1987, 3151, 5961, 9453, 45701, 137103, 272219, 816657, 6261037, 18783111]

約数ペア:

[(1, 18783111), (3, 6261037), (23, 816657), (69, 272219), (137, 137103), (411, 45701), (1987, 9453), (3151, 5961)]