18892280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{42937}}^1$

素因数の和:42959

約数の個数: 32

約数和(自身を含む): 46373040

約数和(自身を除く): 27480760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 42937, 85874, 171748, 214685, 343496, 429370, 472307, 858740, 944614, 1717480, 1889228, 2361535, 3778456, 4723070, 9446140, 18892280]

約数ペア:

[(1, 18892280), (2, 9446140), (4, 4723070), (5, 3778456), (8, 2361535), (10, 1889228), (11, 1717480), (20, 944614), (22, 858740), (40, 472307), (44, 429370), (55, 343496), (88, 214685), (110, 171748), (220, 85874), (440, 42937)]