18228738

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1987}}^1$

素因数の和:2142

約数の個数: 32

約数和(自身を含む): 40078080

約数和(自身を除く): 21849342

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 139, 278, 417, 834, 1529, 1987, 3058, 3974, 4587, 5961, 9174, 11922, 21857, 43714, 65571, 131142, 276193, 552386, 828579, 1657158, 3038123, 6076246, 9114369, 18228738]

約数ペア:

[(1, 18228738), (2, 9114369), (3, 6076246), (6, 3038123), (11, 1657158), (22, 828579), (33, 552386), (66, 276193), (139, 131142), (278, 65571), (417, 43714), (834, 21857), (1529, 11922), (1987, 9174), (3058, 5961), (3974, 4587)]