19906774495

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{1684873}}^1$

素因数の和:1685034

約数の個数: 16

約数和(自身を含む): 25475294880

約数和(自身を除く): 5568520385

約数列:

[1, 5, 17, 85, 139, 695, 2363, 11815, 1684873, 8424365, 28642841, 143214205, 234197347, 1170986735, 3981354899, 19906774495]

約数ペア:

[(1, 19906774495), (5, 3981354899), (17, 1170986735), (85, 234197347), (139, 143214205), (695, 28642841), (2363, 8424365), (11815, 1684873)]