18189946

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{823}}^1$

素因数の和:1125

約数の個数: 16

約数和(自身を含む): 28062144

約数和(自身を除く): 9872198

約数列:

[1, 2, 43, 86, 257, 514, 823, 1646, 11051, 22102, 35389, 70778, 211511, 423022, 9094973, 18189946]

約数ペア:

[(1, 18189946), (2, 9094973), (43, 423022), (86, 211511), (257, 70778), (514, 35389), (823, 22102), (1646, 11051)]