18591980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{84509}}^1$

素因数の和:84529

約数の個数: 24

約数和(自身を含む): 42593040

約数和(自身を除く): 24001060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 84509, 169018, 338036, 422545, 845090, 929599, 1690180, 1859198, 3718396, 4647995, 9295990, 18591980]

約数ペア:

[(1, 18591980), (2, 9295990), (4, 4647995), (5, 3718396), (10, 1859198), (11, 1690180), (20, 929599), (22, 845090), (44, 422545), (55, 338036), (110, 169018), (220, 84509)]