18678992

素因数分解:

$2^4\times {\mathrm{331}}^1\times {\mathrm{3527}}^1$

素因数の和:3866

約数の個数: 20

約数和(自身を含む): 36310176

約数和(自身を除く): 17631184

約数列:

[1, 2, 4, 8, 16, 331, 662, 1324, 2648, 3527, 5296, 7054, 14108, 28216, 56432, 1167437, 2334874, 4669748, 9339496, 18678992]

約数ペア:

[(1, 18678992), (2, 9339496), (4, 4669748), (8, 2334874), (16, 1167437), (331, 56432), (662, 28216), (1324, 14108), (2648, 7054), (3527, 5296)]