18620811

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{17099}}^1$

素因数の和:17127

約数の個数: 18

約数和(自身を含む): 29565900

約数和(自身を除く): 10945089

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 17099, 51297, 153891, 188089, 564267, 1692801, 2068979, 6206937, 18620811]

約数ペア:

[(1, 18620811), (3, 6206937), (9, 2068979), (11, 1692801), (33, 564267), (99, 188089), (121, 153891), (363, 51297), (1089, 17099)]