18032900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{9491}}^1$

素因数の和:9524

約数の個数: 36

約数和(自身を含む): 41195280

約数和(自身を除く): 23162380

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 9491, 18982, 37964, 47455, 94910, 180329, 189820, 237275, 360658, 474550, 721316, 901645, 949100, 1803290, 3606580, 4508225, 9016450, 18032900]

約数ペア:

[(1, 18032900), (2, 9016450), (4, 4508225), (5, 3606580), (10, 1803290), (19, 949100), (20, 901645), (25, 721316), (38, 474550), (50, 360658), (76, 237275), (95, 189820), (100, 180329), (190, 94910), (380, 47455), (475, 37964), (950, 18982), (1900, 9491)]