20190186068

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{991}}^1\times {\mathrm{1213}}^1$

素因数の和:2257

約数の個数: 96

約数和(自身を含む): 42487280640

約数和(自身を除く): 22297094572

約数列:

[1, 2, 4, 13, 17, 19, 26, 34, 38, 52, 68, 76, 221, 247, 323, 442, 494, 646, 884, 988, 991, 1213, 1292, 1982, 2426, 3964, 4199, 4852, 8398, 12883, 15769, 16796, 16847, 18829, 20621, 23047, 25766, 31538, 33694, 37658, 41242, 46094, 51532, 63076, 67388, 75316, 82484, 92188, 219011, 244777, 268073, 299611, 320093, 391799, 438022, 489554, 536146, 599222, 640186, 783598, 876044, 979108, 1072292, 1198444, 1202083, 1280372, 1567196, 2404166, 4161209, 4808332, 5093387, 8322418, 10186774, 15627079, 16644836, 20373548, 20435411, 22839577, 31254158, 40870822, 45679154, 62508316, 81741644, 91358308, 265660343, 296914501, 388272809, 531320686, 593829002, 776545618, 1062641372, 1187658004, 1553091236, 5047546517, 10095093034, 20190186068]

約数ペア:

[(1, 20190186068), (2, 10095093034), (4, 5047546517), (13, 1553091236), (17, 1187658004), (19, 1062641372), (26, 776545618), (34, 593829002), (38, 531320686), (52, 388272809), (68, 296914501), (76, 265660343), (221, 91358308), (247, 81741644), (323, 62508316), (442, 45679154), (494, 40870822), (646, 31254158), (884, 22839577), (988, 20435411), (991, 20373548), (1213, 16644836), (1292, 15627079), (1982, 10186774), (2426, 8322418), (3964, 5093387), (4199, 4808332), (4852, 4161209), (8398, 2404166), (12883, 1567196), (15769, 1280372), (16796, 1202083), (16847, 1198444), (18829, 1072292), (20621, 979108), (23047, 876044), (25766, 783598), (31538, 640186), (33694, 599222), (37658, 536146), (41242, 489554), (46094, 438022), (51532, 391799), (63076, 320093), (67388, 299611), (75316, 268073), (82484, 244777), (92188, 219011)]