18786680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{42697}}^1$

素因数の和:42719

約数の個数: 32

約数和(自身を含む): 46113840

約数和(自身を除く): 27327160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 42697, 85394, 170788, 213485, 341576, 426970, 469667, 853940, 939334, 1707880, 1878668, 2348335, 3757336, 4696670, 9393340, 18786680]

約数ペア:

[(1, 18786680), (2, 9393340), (4, 4696670), (5, 3757336), (8, 2348335), (10, 1878668), (11, 1707880), (20, 939334), (22, 853940), (40, 469667), (44, 426970), (55, 341576), (88, 213485), (110, 170788), (220, 85394), (440, 42697)]