18319665

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13421}}^1$

素因数の和:13449

約数の個数: 32

約数和(自身を含む): 36078336

約数和(自身を除く): 17758671

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 13421, 40263, 67105, 93947, 174473, 201315, 281841, 469735, 523419, 872365, 1221311, 1409205, 2617095, 3663933, 6106555, 18319665]

約数ペア:

[(1, 18319665), (3, 6106555), (5, 3663933), (7, 2617095), (13, 1409205), (15, 1221311), (21, 872365), (35, 523419), (39, 469735), (65, 281841), (91, 201315), (105, 174473), (195, 93947), (273, 67105), (455, 40263), (1365, 13421)]