19990804672

素因数分解:

$2^6\times {\mathrm{223}}^1\times {\mathrm{1400701}}^1$

素因数の和:1400936

約数の個数: 28

約数和(自身を含む): 39847170496

約数和(自身を除く): 19856365824

約数列:

[1, 2, 4, 8, 16, 32, 64, 223, 446, 892, 1784, 3568, 7136, 14272, 1400701, 2801402, 5602804, 11205608, 22411216, 44822432, 89644864, 312356323, 624712646, 1249425292, 2498850584, 4997701168, 9995402336, 19990804672]

約数ペア:

[(1, 19990804672), (2, 9995402336), (4, 4997701168), (8, 2498850584), (16, 1249425292), (32, 624712646), (64, 312356323), (223, 89644864), (446, 44822432), (892, 22411216), (1784, 11205608), (3568, 5602804), (7136, 2801402), (14272, 1400701)]