18080811

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2633}}^1$

素因数の和:2755

約数の個数: 24

約数和(自身を含む): 30132960

約数和(自身を除く): 12052149

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 763, 981, 2289, 2633, 6867, 7899, 18431, 23697, 55293, 165879, 286997, 860991, 2008979, 2582973, 6026937, 18080811]

約数ペア:

[(1, 18080811), (3, 6026937), (7, 2582973), (9, 2008979), (21, 860991), (63, 286997), (109, 165879), (327, 55293), (763, 23697), (981, 18431), (2289, 7899), (2633, 6867)]