19328672

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1277}}^1$

素因数の和:1341

約数の個数: 48

約数和(自身を含む): 42511392

約数和(自身を除く): 23182720

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 43, 44, 86, 88, 172, 176, 344, 352, 473, 688, 946, 1277, 1376, 1892, 2554, 3784, 5108, 7568, 10216, 14047, 15136, 20432, 28094, 40864, 54911, 56188, 109822, 112376, 219644, 224752, 439288, 449504, 604021, 878576, 1208042, 1757152, 2416084, 4832168, 9664336, 19328672]

約数ペア:

[(1, 19328672), (2, 9664336), (4, 4832168), (8, 2416084), (11, 1757152), (16, 1208042), (22, 878576), (32, 604021), (43, 449504), (44, 439288), (86, 224752), (88, 219644), (172, 112376), (176, 109822), (344, 56188), (352, 54911), (473, 40864), (688, 28094), (946, 20432), (1277, 15136), (1376, 14047), (1892, 10216), (2554, 7568), (3784, 5108)]