18708020

素因数分解:

$2^2\times 5^1\times {\mathrm{467}}^1\times {\mathrm{2003}}^1$

素因数の和:2479

約数の個数: 24

約数和(自身を含む): 39390624

約数和(自身を除く): 20682604

約数列:

[1, 2, 4, 5, 10, 20, 467, 934, 1868, 2003, 2335, 4006, 4670, 8012, 9340, 10015, 20030, 40060, 935401, 1870802, 3741604, 4677005, 9354010, 18708020]

約数ペア:

[(1, 18708020), (2, 9354010), (4, 4677005), (5, 3741604), (10, 1870802), (20, 935401), (467, 40060), (934, 20030), (1868, 10015), (2003, 9340), (2335, 8012), (4006, 4670)]