19180040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43591}}^1$

素因数の和:43613

約数の個数: 32

約数和(自身を含む): 47079360

約数和(自身を除く): 27899320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 43591, 87182, 174364, 217955, 348728, 435910, 479501, 871820, 959002, 1743640, 1918004, 2397505, 3836008, 4795010, 9590020, 19180040]

約数ペア:

[(1, 19180040), (2, 9590020), (4, 4795010), (5, 3836008), (8, 2397505), (10, 1918004), (11, 1743640), (20, 959002), (22, 871820), (40, 479501), (44, 435910), (55, 348728), (88, 217955), (110, 174364), (220, 87182), (440, 43591)]