18840087

素因数分解:

$3^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1201}}^1$

素因数の和:1300

約数の個数: 32

約数和(自身を含む): 32309760

約数和(自身を除く): 13469673

約数列:

[1, 3, 7, 9, 21, 27, 63, 83, 189, 249, 581, 747, 1201, 1743, 2241, 3603, 5229, 8407, 10809, 15687, 25221, 32427, 75663, 99683, 226989, 299049, 697781, 897147, 2093343, 2691441, 6280029, 18840087]

約数ペア:

[(1, 18840087), (3, 6280029), (7, 2691441), (9, 2093343), (21, 897147), (27, 697781), (63, 299049), (83, 226989), (189, 99683), (249, 75663), (581, 32427), (747, 25221), (1201, 15687), (1743, 10809), (2241, 8407), (3603, 5229)]