18889677

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{199}}^2$

素因数の和:457

約数の個数: 18

約数和(自身を含む): 27940302

約数和(自身を除く): 9050625

約数列:

[1, 3, 9, 53, 159, 199, 477, 597, 1791, 10547, 31641, 39601, 94923, 118803, 356409, 2098853, 6296559, 18889677]

約数ペア:

[(1, 18889677), (3, 6296559), (9, 2098853), (53, 356409), (159, 118803), (199, 94923), (477, 39601), (597, 31641), (1791, 10547)]