18424855

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^2$

素因数の和:207

約数の個数: 24

約数和(自身を含む): 24296976

約数和(自身を除く): 5872121

約数列:

[1, 5, 17, 43, 71, 85, 215, 355, 731, 1207, 3053, 3655, 5041, 6035, 15265, 25205, 51901, 85697, 216763, 259505, 428485, 1083815, 3684971, 18424855]

約数ペア:

[(1, 18424855), (5, 3684971), (17, 1083815), (43, 428485), (71, 259505), (85, 216763), (215, 85697), (355, 51901), (731, 25205), (1207, 15265), (3053, 6035), (3655, 5041)]