18162230

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{20407}}^1$

素因数の和:20503

約数の個数: 16

約数和(自身を含む): 33060960

約数和(自身を除く): 14898730

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 20407, 40814, 102035, 204070, 1816223, 3632446, 9081115, 18162230]

約数ペア:

[(1, 18162230), (2, 9081115), (5, 3632446), (10, 1816223), (89, 204070), (178, 102035), (445, 40814), (890, 20407)]