19662954724

素因数分解:

$2^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{661}}^1\times {\mathrm{9929}}^1$

素因数の和:10708

約数の個数: 48

約数和(自身を含む): 39757495680

約数和(自身を除く): 20094540956

約数列:

[1, 2, 4, 7, 14, 28, 107, 214, 428, 661, 749, 1322, 1498, 2644, 2996, 4627, 9254, 9929, 18508, 19858, 39716, 69503, 70727, 139006, 141454, 278012, 282908, 495089, 990178, 1062403, 1980356, 2124806, 4249612, 6563069, 7436821, 13126138, 14873642, 26252276, 29747284, 45941483, 91882966, 183765932, 702248383, 1404496766, 2808993532, 4915738681, 9831477362, 19662954724]

約数ペア:

[(1, 19662954724), (2, 9831477362), (4, 4915738681), (7, 2808993532), (14, 1404496766), (28, 702248383), (107, 183765932), (214, 91882966), (428, 45941483), (661, 29747284), (749, 26252276), (1322, 14873642), (1498, 13126138), (2644, 7436821), (2996, 6563069), (4627, 4249612), (9254, 2124806), (9929, 1980356), (18508, 1062403), (19858, 990178), (39716, 495089), (69503, 282908), (70727, 278012), (139006, 141454)]