18867927

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{11251}}^1$

素因数の和:11310

約数の個数: 16

約数和(自身を含む): 27724928

約数和(自身を除く): 8857001

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 11251, 33753, 146263, 438789, 483793, 1451379, 6289309, 18867927]

約数ペア:

[(1, 18867927), (3, 6289309), (13, 1451379), (39, 483793), (43, 438789), (129, 146263), (559, 33753), (1677, 11251)]