19485603

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{2207}}^1$

素因数の和:2328

約数の個数: 20

約数和(自身を含む): 29388480

約数和(自身を除く): 9902877

約数列:

[1, 3, 9, 27, 81, 109, 327, 981, 2207, 2943, 6621, 8829, 19863, 59589, 178767, 240563, 721689, 2165067, 6495201, 19485603]

約数ペア:

[(1, 19485603), (3, 6495201), (9, 2165067), (27, 721689), (81, 240563), (109, 178767), (327, 59589), (981, 19863), (2207, 8829), (2943, 6621)]