18099280

素因数分解:

$2^4\times 5^1\times {\mathrm{226241}}^1$

素因数の和:226254

約数の個数: 20

約数和(自身を含む): 42081012

約数和(自身を除く): 23981732

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 226241, 452482, 904964, 1131205, 1809928, 2262410, 3619856, 4524820, 9049640, 18099280]

約数ペア:

[(1, 18099280), (2, 9049640), (4, 4524820), (5, 3619856), (8, 2262410), (10, 1809928), (16, 1131205), (20, 904964), (40, 452482), (80, 226241)]