18183711

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1549}}^1$

素因数の和:1615

約数の個数: 32

約数和(自身を含む): 30553600

約数和(自身を除く): 12369889

約数列:

[1, 3, 7, 13, 21, 39, 43, 91, 129, 273, 301, 559, 903, 1549, 1677, 3913, 4647, 10843, 11739, 20137, 32529, 60411, 66607, 140959, 199821, 422877, 466249, 865891, 1398747, 2597673, 6061237, 18183711]

約数ペア:

[(1, 18183711), (3, 6061237), (7, 2597673), (13, 1398747), (21, 865891), (39, 466249), (43, 422877), (91, 199821), (129, 140959), (273, 66607), (301, 60411), (559, 32529), (903, 20137), (1549, 11739), (1677, 10843), (3913, 4647)]