18879140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{134851}}^1$

素因数の和:134867

約数の個数: 24

約数和(自身を含む): 45310272

約数和(自身を除く): 26431132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 134851, 269702, 539404, 674255, 943957, 1348510, 1887914, 2697020, 3775828, 4719785, 9439570, 18879140]

約数ペア:

[(1, 18879140), (2, 9439570), (4, 4719785), (5, 3775828), (7, 2697020), (10, 1887914), (14, 1348510), (20, 943957), (28, 674255), (35, 539404), (70, 269702), (140, 134851)]