18399986

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{139}}^1\times {\mathrm{547}}^1$

素因数の和:710

約数の個数: 24

約数和(自身を含む): 30611280

約数和(自身を除く): 12211294

約数列:

[1, 2, 11, 22, 121, 139, 242, 278, 547, 1094, 1529, 3058, 6017, 12034, 16819, 33638, 66187, 76033, 132374, 152066, 836363, 1672726, 9199993, 18399986]

約数ペア:

[(1, 18399986), (2, 9199993), (11, 1672726), (22, 836363), (121, 152066), (139, 132374), (242, 76033), (278, 66187), (547, 33638), (1094, 16819), (1529, 12034), (3058, 6017)]