18649791

素因数分解:

$3^3\times {\mathrm{109}}^1\times {\mathrm{6337}}^1$

素因数の和:6455

約数の個数: 16

約数和(自身を含む): 27887200

約数和(自身を除く): 9237409

約数列:

[1, 3, 9, 27, 109, 327, 981, 2943, 6337, 19011, 57033, 171099, 690733, 2072199, 6216597, 18649791]

約数ペア:

[(1, 18649791), (3, 6216597), (9, 2072199), (27, 690733), (109, 171099), (327, 57033), (981, 19011), (2943, 6337)]