19966576

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^2\times {\mathrm{337}}^1$

素因数の和:398

約数の個数: 60

約数和(自身を含む): 46354672

約数和(自身を除く): 26388096

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 337, 368, 529, 644, 674, 1058, 1288, 1348, 2116, 2359, 2576, 2696, 3703, 4232, 4718, 5392, 7406, 7751, 8464, 9436, 14812, 15502, 18872, 29624, 31004, 37744, 54257, 59248, 62008, 108514, 124016, 178273, 217028, 356546, 434056, 713092, 868112, 1247911, 1426184, 2495822, 2852368, 4991644, 9983288, 19966576]

約数ペア:

[(1, 19966576), (2, 9983288), (4, 4991644), (7, 2852368), (8, 2495822), (14, 1426184), (16, 1247911), (23, 868112), (28, 713092), (46, 434056), (56, 356546), (92, 217028), (112, 178273), (161, 124016), (184, 108514), (322, 62008), (337, 59248), (368, 54257), (529, 37744), (644, 31004), (674, 29624), (1058, 18872), (1288, 15502), (1348, 14812), (2116, 9436), (2359, 8464), (2576, 7751), (2696, 7406), (3703, 5392), (4232, 4718)]