18820503

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5189}}^1$

素因数の和:5239

約数の個数: 24

約数和(自身を含む): 30226560

約数和(自身を除く): 11406057

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 279, 403, 1209, 3627, 5189, 15567, 46701, 67457, 160859, 202371, 482577, 607113, 1447731, 2091167, 6273501, 18820503]

約数ペア:

[(1, 18820503), (3, 6273501), (9, 2091167), (13, 1447731), (31, 607113), (39, 482577), (93, 202371), (117, 160859), (279, 67457), (403, 46701), (1209, 15567), (3627, 5189)]