19903896207

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{961123}}^1$

素因数の和:961204

約数の個数: 32

約数和(自身を含む): 32293766400

約数和(自身を除く): 12389870193

約数列:

[1, 3, 9, 13, 27, 39, 59, 117, 177, 351, 531, 767, 1593, 2301, 6903, 20709, 961123, 2883369, 8650107, 12494599, 25950321, 37483797, 56706257, 112451391, 170118771, 337354173, 510356313, 737181341, 1531068939, 2211544023, 6634632069, 19903896207]

約数ペア:

[(1, 19903896207), (3, 6634632069), (9, 2211544023), (13, 1531068939), (27, 737181341), (39, 510356313), (59, 337354173), (117, 170118771), (177, 112451391), (351, 56706257), (531, 37483797), (767, 25950321), (1593, 12494599), (2301, 8650107), (6903, 2883369), (20709, 961123)]