17844140

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{20749}}^1$

素因数の和:20801

約数の個数: 24

約数和(自身を含む): 38346000

約数和(自身を除く): 20501860

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 20749, 41498, 82996, 103745, 207490, 414980, 892207, 1784414, 3568828, 4461035, 8922070, 17844140]

約数ペア:

[(1, 17844140), (2, 8922070), (4, 4461035), (5, 3568828), (10, 1784414), (20, 892207), (43, 414980), (86, 207490), (172, 103745), (215, 82996), (430, 41498), (860, 20749)]