18814599

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{2131}}^1$

素因数の和:2252

約数の個数: 20

約数和(自身を含む): 28376920

約数和(自身を除く): 9562321

約数列:

[1, 3, 9, 27, 81, 109, 327, 981, 2131, 2943, 6393, 8829, 19179, 57537, 172611, 232279, 696837, 2090511, 6271533, 18814599]

約数ペア:

[(1, 18814599), (3, 6271533), (9, 2090511), (27, 696837), (81, 232279), (109, 172611), (327, 57537), (981, 19179), (2131, 8829), (2943, 6393)]