18615807

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{6287}}^1$

素因数の和:6347

約数の個数: 24

約数和(自身を含む): 31389696

約数和(自身を除く): 12773889

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 6287, 18861, 44009, 56583, 132027, 295489, 396081, 886467, 2068423, 2659401, 6205269, 18615807]

約数ペア:

[(1, 18615807), (3, 6205269), (7, 2659401), (9, 2068423), (21, 886467), (47, 396081), (63, 295489), (141, 132027), (329, 56583), (423, 44009), (987, 18861), (2961, 6287)]