18068661

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{397}}^1$

素因数の和:805

約数の個数: 24

約数和(自身を含む): 28250040

約数和(自身を除く): 10181379

約数列:

[1, 3, 9, 13, 39, 117, 389, 397, 1167, 1191, 3501, 3573, 5057, 5161, 15171, 15483, 45513, 46449, 154433, 463299, 1389897, 2007629, 6022887, 18068661]

約数ペア:

[(1, 18068661), (3, 6022887), (9, 2007629), (13, 1389897), (39, 463299), (117, 154433), (389, 46449), (397, 45513), (1167, 15483), (1191, 15171), (3501, 5161), (3573, 5057)]