18862227

素因数分解:

$3^4\times {\mathrm{337}}^1\times {\mathrm{691}}^1$

素因数の和:1040

約数の個数: 20

約数和(自身を含む): 28301416

約数和(自身を除く): 9439189

約数列:

[1, 3, 9, 27, 81, 337, 691, 1011, 2073, 3033, 6219, 9099, 18657, 27297, 55971, 232867, 698601, 2095803, 6287409, 18862227]

約数ペア:

[(1, 18862227), (3, 6287409), (9, 2095803), (27, 698601), (81, 232867), (337, 55971), (691, 27297), (1011, 18657), (2073, 9099), (3033, 6219)]