18220995

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31147}}^1$

素因数の和:31171

約数の個数: 24

約数和(自身を含む): 34013616

約数和(自身を除く): 15792621

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 31147, 93441, 155735, 280323, 404911, 467205, 1214733, 1401615, 2024555, 3644199, 6073665, 18220995]

約数ペア:

[(1, 18220995), (3, 6073665), (5, 3644199), (9, 2024555), (13, 1401615), (15, 1214733), (39, 467205), (45, 404911), (65, 280323), (117, 155735), (195, 93441), (585, 31147)]