18783207

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{467}}^1$

素因数の和:623

約数の個数: 24

約数和(自身を含む): 28108080

約数和(自身を除く): 9324873

約数列:

[1, 3, 9, 41, 109, 123, 327, 369, 467, 981, 1401, 4203, 4469, 13407, 19147, 40221, 50903, 57441, 152709, 172323, 458127, 2087023, 6261069, 18783207]

約数ペア:

[(1, 18783207), (3, 6261069), (9, 2087023), (41, 458127), (109, 172323), (123, 152709), (327, 57441), (369, 50903), (467, 40221), (981, 19147), (1401, 13407), (4203, 4469)]