19005441

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1619}}^1$

素因数の和:1685

約数の個数: 32

約数和(自身を含む): 31933440

約数和(自身を除く): 12927999

約数列:

[1, 3, 7, 13, 21, 39, 43, 91, 129, 273, 301, 559, 903, 1619, 1677, 3913, 4857, 11333, 11739, 21047, 33999, 63141, 69617, 147329, 208851, 441987, 487319, 905021, 1461957, 2715063, 6335147, 19005441]

約数ペア:

[(1, 19005441), (3, 6335147), (7, 2715063), (13, 1461957), (21, 905021), (39, 487319), (43, 441987), (91, 208851), (129, 147329), (273, 69617), (301, 63141), (559, 33999), (903, 21047), (1619, 11739), (1677, 11333), (3913, 4857)]