19803770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{282911}}^1$

素因数の和:282925

約数の個数: 16

約数和(自身を含む): 40739328

約数和(自身を除く): 20935558

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 282911, 565822, 1414555, 1980377, 2829110, 3960754, 9901885, 19803770]

約数ペア:

[(1, 19803770), (2, 9901885), (5, 3960754), (7, 2829110), (10, 1980377), (14, 1414555), (35, 565822), (70, 282911)]