19548651724

素因数分解:

$2^2\times 7^2\times {\mathrm{97}}^1\times {\mathrm{379}}^1\times {\mathrm{2713}}^1$

素因数の和:3207

約数の個数: 72

約数和(自身を含む): 40326674640

約数和(自身を除く): 20778022916

約数列:

[1, 2, 4, 7, 14, 28, 49, 97, 98, 194, 196, 379, 388, 679, 758, 1358, 1516, 2653, 2713, 2716, 4753, 5306, 5426, 9506, 10612, 10852, 18571, 18991, 19012, 36763, 37142, 37982, 73526, 74284, 75964, 132937, 147052, 257341, 263161, 265874, 514682, 526322, 531748, 1028227, 1029364, 1052644, 1801387, 1842127, 2056454, 3602774, 3684254, 4112908, 7197589, 7205548, 7368508, 12894889, 14395178, 25789778, 28790356, 50383123, 51579556, 99738019, 100766246, 199476038, 201532492, 398952076, 698166133, 1396332266, 2792664532, 4887162931, 9774325862, 19548651724]

約数ペア:

[(1, 19548651724), (2, 9774325862), (4, 4887162931), (7, 2792664532), (14, 1396332266), (28, 698166133), (49, 398952076), (97, 201532492), (98, 199476038), (194, 100766246), (196, 99738019), (379, 51579556), (388, 50383123), (679, 28790356), (758, 25789778), (1358, 14395178), (1516, 12894889), (2653, 7368508), (2713, 7205548), (2716, 7197589), (4753, 4112908), (5306, 3684254), (5426, 3602774), (9506, 2056454), (10612, 1842127), (10852, 1801387), (18571, 1052644), (18991, 1029364), (19012, 1028227), (36763, 531748), (37142, 526322), (37982, 514682), (73526, 265874), (74284, 263161), (75964, 257341), (132937, 147052)]