18019161

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1$

素因数の和:413

約数の個数: 24

約数和(自身を含む): 26709696

約数和(自身を除く): 8690535

約数列:

[1, 3, 9, 71, 163, 173, 213, 489, 519, 639, 1467, 1557, 11573, 12283, 28199, 34719, 36849, 84597, 104157, 110547, 253791, 2002129, 6006387, 18019161]

約数ペア:

[(1, 18019161), (3, 6006387), (9, 2002129), (71, 253791), (163, 110547), (173, 104157), (213, 84597), (489, 36849), (519, 34719), (639, 28199), (1467, 12283), (1557, 11573)]