19291881

素因数分解:

$3^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{1871}}^1$

素因数の和:2372

約数の個数: 16

約数和(自身を含む): 29472768

約数和(自身を除く): 10180887

約数列:

[1, 3, 7, 21, 491, 1473, 1871, 3437, 5613, 10311, 13097, 39291, 918661, 2755983, 6430627, 19291881]

約数ペア:

[(1, 19291881), (3, 6430627), (7, 2755983), (21, 918661), (491, 39291), (1473, 13097), (1871, 10311), (3437, 5613)]