19961244

素因数分解:

$2^2\times 3^2\times {\mathrm{647}}^1\times {\mathrm{857}}^1$

素因数の和:1514

約数の個数: 36

約数和(自身を含む): 50594544

約数和(自身を除く): 30633300

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 647, 857, 1294, 1714, 1941, 2571, 2588, 3428, 3882, 5142, 5823, 7713, 7764, 10284, 11646, 15426, 23292, 30852, 554479, 1108958, 1663437, 2217916, 3326874, 4990311, 6653748, 9980622, 19961244]

約数ペア:

[(1, 19961244), (2, 9980622), (3, 6653748), (4, 4990311), (6, 3326874), (9, 2217916), (12, 1663437), (18, 1108958), (36, 554479), (647, 30852), (857, 23292), (1294, 15426), (1714, 11646), (1941, 10284), (2571, 7764), (2588, 7713), (3428, 5823), (3882, 5142)]