18906759

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{613}}^1$

素因数の和:791

約数の個数: 24

約数和(自身を含む): 28735200

約数和(自身を除く): 9828441

約数列:

[1, 3, 9, 23, 69, 149, 207, 447, 613, 1341, 1839, 3427, 5517, 10281, 14099, 30843, 42297, 91337, 126891, 274011, 822033, 2100751, 6302253, 18906759]

約数ペア:

[(1, 18906759), (3, 6302253), (9, 2100751), (23, 822033), (69, 274011), (149, 126891), (207, 91337), (447, 42297), (613, 30843), (1341, 14099), (1839, 10281), (3427, 5517)]