18722630

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{43541}}^1$

素因数の和:43591

約数の個数: 16

約数和(自身を含む): 34485264

約数和(自身を除く): 15762634

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 43541, 87082, 217705, 435410, 1872263, 3744526, 9361315, 18722630]

約数ペア:

[(1, 18722630), (2, 9361315), (5, 3744526), (10, 1872263), (43, 435410), (86, 217705), (215, 87082), (430, 43541)]