18176949

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2647}}^1$

素因数の和:2769

約数の個数: 24

約数和(自身を含む): 30293120

約数和(自身を除く): 12116171

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 763, 981, 2289, 2647, 6867, 7941, 18529, 23823, 55587, 166761, 288523, 865569, 2019661, 2596707, 6058983, 18176949]

約数ペア:

[(1, 18176949), (3, 6058983), (7, 2596707), (9, 2019661), (21, 865569), (63, 288523), (109, 166761), (327, 55587), (763, 23823), (981, 18529), (2289, 7941), (2647, 6867)]