18709042

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{19777}}^1$

素因数の和:19833

約数の個数: 16

約数和(自身を含む): 31328352

約数和(自身を除く): 12619310

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 19777, 39554, 217547, 435094, 850411, 1700822, 9354521, 18709042]

約数ペア:

[(1, 18709042), (2, 9354521), (11, 1700822), (22, 850411), (43, 435094), (86, 217547), (473, 39554), (946, 19777)]