18946239

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{15671}}^1$

素因数の和:15718

約数の個数: 16

約数和(自身を含む): 28084224

約数和(自身を除く): 9137985

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 15671, 47013, 203723, 485801, 611169, 1457403, 6315413, 18946239]

約数ペア:

[(1, 18946239), (3, 6315413), (13, 1457403), (31, 611169), (39, 485801), (93, 203723), (403, 47013), (1209, 15671)]