18942287

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{5077}}^1$

素因数の和:5138

約数の個数: 16

約数和(自身を含む): 23886912

約数和(自身を除く): 4944625

約数列:

[1, 7, 13, 41, 91, 287, 533, 3731, 5077, 35539, 66001, 208157, 462007, 1457099, 2706041, 18942287]

約数ペア:

[(1, 18942287), (7, 2706041), (13, 1457099), (41, 462007), (91, 208157), (287, 66001), (533, 35539), (3731, 5077)]