18328420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83311}}^1$

素因数の和:83331

約数の個数: 24

約数和(自身を含む): 41989248

約数和(自身を除く): 23660828

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 83311, 166622, 333244, 416555, 833110, 916421, 1666220, 1832842, 3665684, 4582105, 9164210, 18328420]

約数ペア:

[(1, 18328420), (2, 9164210), (4, 4582105), (5, 3665684), (10, 1832842), (11, 1666220), (20, 916421), (22, 833110), (44, 416555), (55, 333244), (110, 166622), (220, 83311)]