18338992

素因数分解:

$2^4\times 7^1\times {\mathrm{163741}}^1$

素因数の和:163756

約数の個数: 20

約数和(自身を含む): 40608016

約数和(自身を除く): 22269024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 163741, 327482, 654964, 1146187, 1309928, 2292374, 2619856, 4584748, 9169496, 18338992]

約数ペア:

[(1, 18338992), (2, 9169496), (4, 4584748), (7, 2619856), (8, 2292374), (14, 1309928), (16, 1146187), (28, 654964), (56, 327482), (112, 163741)]