18057020

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{4583}}^1$

素因数の和:4789

約数の個数: 24

約数和(自身を含む): 38120544

約数和(自身を除く): 20063524

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 4583, 9166, 18332, 22915, 45830, 91660, 902851, 1805702, 3611404, 4514255, 9028510, 18057020]

約数ペア:

[(1, 18057020), (2, 9028510), (4, 4514255), (5, 3611404), (10, 1805702), (20, 902851), (197, 91660), (394, 45830), (788, 22915), (985, 18332), (1970, 9166), (3940, 4583)]