19784044

素因数分解:

$2^2\times 7^2\times {\mathrm{193}}^1\times {\mathrm{523}}^1$

素因数の和:734

約数の個数: 36

約数和(自身を含む): 40560744

約数和(自身を除く): 20776700

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 193, 196, 386, 523, 772, 1046, 1351, 2092, 2702, 3661, 5404, 7322, 9457, 14644, 18914, 25627, 37828, 51254, 100939, 102508, 201878, 403756, 706573, 1413146, 2826292, 4946011, 9892022, 19784044]

約数ペア:

[(1, 19784044), (2, 9892022), (4, 4946011), (7, 2826292), (14, 1413146), (28, 706573), (49, 403756), (98, 201878), (193, 102508), (196, 100939), (386, 51254), (523, 37828), (772, 25627), (1046, 18914), (1351, 14644), (2092, 9457), (2702, 7322), (3661, 5404)]