18143960

素因数分解:

$2^3\times 5^1\times {\mathrm{453599}}^1$

素因数の和:453610

約数の個数: 16

約数和(自身を含む): 40824000

約数和(自身を除く): 22680040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 453599, 907198, 1814396, 2267995, 3628792, 4535990, 9071980, 18143960]

約数ペア:

[(1, 18143960), (2, 9071980), (4, 4535990), (5, 3628792), (8, 2267995), (10, 1814396), (20, 907198), (40, 453599)]