18240885

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31181}}^1$

素因数の和:31205

約数の個数: 24

約数和(自身を含む): 34050744

約数和(自身を除く): 15809859

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 31181, 93543, 155905, 280629, 405353, 467715, 1216059, 1403145, 2026765, 3648177, 6080295, 18240885]

約数ペア:

[(1, 18240885), (3, 6080295), (5, 3648177), (9, 2026765), (13, 1403145), (15, 1216059), (39, 467715), (45, 405353), (65, 280629), (117, 155905), (195, 93543), (585, 31181)]