18198271

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6451}}^1$

素因数の和:6502

約数の個数: 16

約数和(自身を含む): 23123968

約数和(自身を除く): 4925697

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 6451, 45157, 83863, 199981, 587041, 1399867, 2599753, 18198271]

約数ペア:

[(1, 18198271), (7, 2599753), (13, 1399867), (31, 587041), (91, 199981), (217, 83863), (403, 45157), (2821, 6451)]