18240008

素因数分解:

$2^3\times {\mathrm{113}}^1\times {\mathrm{20177}}^1$

素因数の和:20296

約数の個数: 16

約数和(自身を含む): 34504380

約数和(自身を除く): 16264372

約数列:

[1, 2, 4, 8, 113, 226, 452, 904, 20177, 40354, 80708, 161416, 2280001, 4560002, 9120004, 18240008]

約数ペア:

[(1, 18240008), (2, 9120004), (4, 4560002), (8, 2280001), (113, 161416), (226, 80708), (452, 40354), (904, 20177)]