19983292

素因数分解:

$2^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{2777}}^1$

素因数の和:3045

約数の個数: 24

約数和(自身を含む): 40136544

約数和(自身を除く): 20153252

約数列:

[1, 2, 4, 7, 14, 28, 257, 514, 1028, 1799, 2777, 3598, 5554, 7196, 11108, 19439, 38878, 77756, 713689, 1427378, 2854756, 4995823, 9991646, 19983292]

約数ペア:

[(1, 19983292), (2, 9991646), (4, 4995823), (7, 2854756), (14, 1427378), (28, 713689), (257, 77756), (514, 38878), (1028, 19439), (1799, 11108), (2777, 7196), (3598, 5554)]