18013340

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{8263}}^1$

素因数の和:8381

約数の個数: 24

約数和(自身を含む): 38179680

約数和(自身を除く): 20166340

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 8263, 16526, 33052, 41315, 82630, 165260, 900667, 1801334, 3602668, 4503335, 9006670, 18013340]

約数ペア:

[(1, 18013340), (2, 9006670), (4, 4503335), (5, 3602668), (10, 1801334), (20, 900667), (109, 165260), (218, 82630), (436, 41315), (545, 33052), (1090, 16526), (2180, 8263)]