18895617

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{5569}}^1$

素因数の和:5617

約数の個数: 24

約数和(自身を含む): 30412200

約数和(自身を除く): 11516583

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 261, 377, 1131, 3393, 5569, 16707, 50121, 72397, 161501, 217191, 484503, 651573, 1453509, 2099513, 6298539, 18895617]

約数ペア:

[(1, 18895617), (3, 6298539), (9, 2099513), (13, 1453509), (29, 651573), (39, 484503), (87, 217191), (117, 161501), (261, 72397), (377, 50121), (1131, 16707), (3393, 5569)]