18876440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{42901}}^1$

素因数の和:42923

約数の個数: 32

約数和(自身を含む): 46334160

約数和(自身を除く): 27457720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 42901, 85802, 171604, 214505, 343208, 429010, 471911, 858020, 943822, 1716040, 1887644, 2359555, 3775288, 4719110, 9438220, 18876440]

約数ペア:

[(1, 18876440), (2, 9438220), (4, 4719110), (5, 3775288), (8, 2359555), (10, 1887644), (11, 1716040), (20, 943822), (22, 858020), (40, 471911), (44, 429010), (55, 343208), (88, 214505), (110, 171604), (220, 85802), (440, 42901)]