19381887

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{18097}}^1$

素因数の和:18127

約数の個数: 24

約数和(自身を含む): 33879456

約数和(自身を除く): 14497569

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 18097, 54291, 126679, 162873, 307649, 380037, 922947, 1140111, 2153543, 2768841, 6460629, 19381887]

約数ペア:

[(1, 19381887), (3, 6460629), (7, 2768841), (9, 2153543), (17, 1140111), (21, 922947), (51, 380037), (63, 307649), (119, 162873), (153, 126679), (357, 54291), (1071, 18097)]