18308205

素因数分解:

$3^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{971}}^1$

素因数の和:1401

約数の個数: 24

約数和(自身を含む): 31842720

約数和(自身を除く): 13534515

約数列:

[1, 3, 5, 9, 15, 45, 419, 971, 1257, 2095, 2913, 3771, 4855, 6285, 8739, 14565, 18855, 43695, 406849, 1220547, 2034245, 3661641, 6102735, 18308205]

約数ペア:

[(1, 18308205), (3, 6102735), (5, 3661641), (9, 2034245), (15, 1220547), (45, 406849), (419, 43695), (971, 18855), (1257, 14565), (2095, 8739), (2913, 6285), (3771, 4855)]