18137709

素因数分解:

$3^3\times {\mathrm{109}}^1\times {\mathrm{6163}}^1$

素因数の和:6281

約数の個数: 16

約数和(自身を含む): 27121600

約数和(自身を除く): 8983891

約数列:

[1, 3, 9, 27, 109, 327, 981, 2943, 6163, 18489, 55467, 166401, 671767, 2015301, 6045903, 18137709]

約数ペア:

[(1, 18137709), (3, 6045903), (9, 2015301), (27, 671767), (109, 166401), (327, 55467), (981, 18489), (2943, 6163)]