2019172976

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{1777441}}^1$

素因数の和:1777520

約数の個数: 20

約数和(自身を含む): 3967250544

約数和(自身を除く): 1948077568

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 1777441, 3554882, 7109764, 14219528, 28439056, 126198311, 252396622, 504793244, 1009586488, 2019172976]

約数ペア:

[(1, 2019172976), (2, 1009586488), (4, 504793244), (8, 252396622), (16, 126198311), (71, 28439056), (142, 14219528), (284, 7109764), (568, 3554882), (1136, 1777441)]