18689436

素因数分解:

$2^2\times 3^2\times {\mathrm{519151}}^1$

素因数の和:519161

約数の個数: 18

約数和(自身を含む): 47242832

約数和(自身を除く): 28553396

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 519151, 1038302, 1557453, 2076604, 3114906, 4672359, 6229812, 9344718, 18689436]

約数ペア:

[(1, 18689436), (2, 9344718), (3, 6229812), (4, 4672359), (6, 3114906), (9, 2076604), (12, 1557453), (18, 1038302), (36, 519151)]