20181877212

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{712939}}^1$

素因数の和:713290

約数の個数: 48

約数和(自身を含む): 53978113280

約数和(自身を除く): 33796236068

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 337, 674, 1011, 1348, 2022, 2359, 4044, 4718, 7077, 9436, 14154, 28308, 712939, 1425878, 2138817, 2851756, 4277634, 4990573, 8555268, 9981146, 14971719, 19962292, 29943438, 59886876, 240260443, 480520886, 720781329, 961041772, 1441562658, 1681823101, 2883125316, 3363646202, 5045469303, 6727292404, 10090938606, 20181877212]

約数ペア:

[(1, 20181877212), (2, 10090938606), (3, 6727292404), (4, 5045469303), (6, 3363646202), (7, 2883125316), (12, 1681823101), (14, 1441562658), (21, 961041772), (28, 720781329), (42, 480520886), (84, 240260443), (337, 59886876), (674, 29943438), (1011, 19962292), (1348, 14971719), (2022, 9981146), (2359, 8555268), (4044, 4990573), (4718, 4277634), (7077, 2851756), (9436, 2138817), (14154, 1425878), (28308, 712939)]