18426123

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{2087}}^1$

素因数の和:2208

約数の個数: 20

約数和(自身を含む): 27791280

約数和(自身を除く): 9365157

約数列:

[1, 3, 9, 27, 81, 109, 327, 981, 2087, 2943, 6261, 8829, 18783, 56349, 169047, 227483, 682449, 2047347, 6142041, 18426123]

約数ペア:

[(1, 18426123), (3, 6142041), (9, 2047347), (27, 682449), (81, 227483), (109, 169047), (327, 56349), (981, 18783), (2087, 8829), (2943, 6261)]