19140771

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{1987}}^1$

素因数の和:2035

約数の個数: 24

約数和(自身を含む): 29104320

約数和(自身を除く): 9963549

約数列:

[1, 3, 13, 19, 39, 57, 169, 247, 507, 741, 1987, 3211, 5961, 9633, 25831, 37753, 77493, 113259, 335803, 490789, 1007409, 1472367, 6380257, 19140771]

約数ペア:

[(1, 19140771), (3, 6380257), (13, 1472367), (19, 1007409), (39, 490789), (57, 335803), (169, 113259), (247, 77493), (507, 37753), (741, 25831), (1987, 9633), (3211, 5961)]