18170872

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{55399}}^1$

素因数の和:55446

約数の個数: 16

約数和(自身を含む): 34902000

約数和(自身を除く): 16731128

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 55399, 110798, 221596, 443192, 2271359, 4542718, 9085436, 18170872]

約数ペア:

[(1, 18170872), (2, 9085436), (4, 4542718), (8, 2271359), (41, 443192), (82, 221596), (164, 110798), (328, 55399)]