18241540

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{17209}}^1$

素因数の和:17271

約数の個数: 24

約数和(自身を含む): 39032280

約数和(自身を除く): 20790740

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 17209, 34418, 68836, 86045, 172090, 344180, 912077, 1824154, 3648308, 4560385, 9120770, 18241540]

約数ペア:

[(1, 18241540), (2, 9120770), (4, 4560385), (5, 3648308), (10, 1824154), (20, 912077), (53, 344180), (106, 172090), (212, 86045), (265, 68836), (530, 34418), (1060, 17209)]