18731273

素因数分解:

${\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^2$

素因数の和:452

約数の個数: 12

約数和(自身を含む): 21014928

約数和(自身を除く): 2283655

約数列:

[1, 11, 43, 199, 473, 2189, 8557, 39601, 94127, 435611, 1702843, 18731273]

約数ペア:

[(1, 18731273), (11, 1702843), (43, 435611), (199, 94127), (473, 39601), (2189, 8557)]