18532071

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{2099}}^1$

素因数の和:2220

約数の個数: 20

約数和(自身を含む): 27951000

約数和(自身を除く): 9418929

約数列:

[1, 3, 9, 27, 81, 109, 327, 981, 2099, 2943, 6297, 8829, 18891, 56673, 170019, 228791, 686373, 2059119, 6177357, 18532071]

約数ペア:

[(1, 18532071), (3, 6177357), (9, 2059119), (27, 686373), (81, 228791), (109, 170019), (327, 56673), (981, 18891), (2099, 8829), (2943, 6297)]