18562280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{42187}}^1$

素因数の和:42209

約数の個数: 32

約数和(自身を含む): 45563040

約数和(自身を除く): 27000760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 42187, 84374, 168748, 210935, 337496, 421870, 464057, 843740, 928114, 1687480, 1856228, 2320285, 3712456, 4640570, 9281140, 18562280]

約数ペア:

[(1, 18562280), (2, 9281140), (4, 4640570), (5, 3712456), (8, 2320285), (10, 1856228), (11, 1687480), (20, 928114), (22, 843740), (40, 464057), (44, 421870), (55, 337496), (88, 210935), (110, 168748), (220, 84374), (440, 42187)]