19607020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{23911}}^1$

素因数の和:23961

約数の個数: 24

約数和(自身を含む): 42180768

約数和(自身を除く): 22573748

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 23911, 47822, 95644, 119555, 239110, 478220, 980351, 1960702, 3921404, 4901755, 9803510, 19607020]

約数ペア:

[(1, 19607020), (2, 9803510), (4, 4901755), (5, 3921404), (10, 1960702), (20, 980351), (41, 478220), (82, 239110), (164, 119555), (205, 95644), (410, 47822), (820, 23911)]