18174856

素因数分解:

$2^3\times 7^1\times {\mathrm{491}}^1\times {\mathrm{661}}^1$

素因数の和:1165

約数の個数: 32

約数和(自身を含む): 39084480

約数和(自身を除く): 20909624

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 491, 661, 982, 1322, 1964, 2644, 3437, 3928, 4627, 5288, 6874, 9254, 13748, 18508, 27496, 37016, 324551, 649102, 1298204, 2271857, 2596408, 4543714, 9087428, 18174856]

約数ペア:

[(1, 18174856), (2, 9087428), (4, 4543714), (7, 2596408), (8, 2271857), (14, 1298204), (28, 649102), (56, 324551), (491, 37016), (661, 27496), (982, 18508), (1322, 13748), (1964, 9254), (2644, 6874), (3437, 5288), (3928, 4627)]