18223780

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{19387}}^1$

素因数の和:19443

約数の個数: 24

約数和(自身を含む): 39086208

約数和(自身を除く): 20862428

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 19387, 38774, 77548, 96935, 193870, 387740, 911189, 1822378, 3644756, 4555945, 9111890, 18223780]

約数ペア:

[(1, 18223780), (2, 9111890), (4, 4555945), (5, 3644756), (10, 1822378), (20, 911189), (47, 387740), (94, 193870), (188, 96935), (235, 77548), (470, 38774), (940, 19387)]