19749310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{919}}^1$

素因数の和:1240

約数の個数: 32

約数和(自身を含む): 40803840

約数和(自身を除く): 21054530

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 307, 614, 919, 1535, 1838, 2149, 3070, 4298, 4595, 6433, 9190, 10745, 12866, 21490, 32165, 64330, 282133, 564266, 1410665, 1974931, 2821330, 3949862, 9874655, 19749310]

約数ペア:

[(1, 19749310), (2, 9874655), (5, 3949862), (7, 2821330), (10, 1974931), (14, 1410665), (35, 564266), (70, 282133), (307, 64330), (614, 32165), (919, 21490), (1535, 12866), (1838, 10745), (2149, 9190), (3070, 6433), (4298, 4595)]