18728561984

素因数分解:

$2^6\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:437

約数の個数: 168

約数和(自身を含む): 41770767360

約数和(自身を除く): 23042205376

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 121, 127, 137, 139, 176, 242, 254, 274, 278, 352, 484, 508, 548, 556, 704, 968, 1016, 1096, 1112, 1397, 1507, 1529, 1936, 2032, 2192, 2224, 2794, 3014, 3058, 3872, 4064, 4384, 4448, 5588, 6028, 6116, 7744, 8128, 8768, 8896, 11176, 12056, 12232, 15367, 16577, 16819, 17399, 17653, 19043, 22352, 24112, 24464, 30734, 33154, 33638, 34798, 35306, 38086, 44704, 48224, 48928, 61468, 66308, 67276, 69596, 70612, 76172, 89408, 96448, 97856, 122936, 132616, 134552, 139192, 141224, 152344, 191389, 194183, 209473, 245872, 265232, 269104, 278384, 282448, 304688, 382778, 388366, 418946, 491744, 530464, 538208, 556768, 564896, 609376, 765556, 776732, 837892, 983488, 1060928, 1076416, 1113536, 1129792, 1218752, 1531112, 1553464, 1675784, 2105279, 2136013, 2304203, 2418461, 3062224, 3106928, 3351568, 4210558, 4272026, 4608406, 4836922, 6124448, 6213856, 6703136, 8421116, 8544052, 9216812, 9673844, 12248896, 12427712, 13406272, 16842232, 17088104, 18433624, 19347688, 26603071, 33684464, 34176208, 36867248, 38695376, 53206142, 67368928, 68352416, 73734496, 77390752, 106412284, 134737856, 136704832, 147468992, 154781504, 212824568, 292633781, 425649136, 585267562, 851298272, 1170535124, 1702596544, 2341070248, 4682140496, 9364280992, 18728561984]

約数ペア:

[(1, 18728561984), (2, 9364280992), (4, 4682140496), (8, 2341070248), (11, 1702596544), (16, 1170535124), (22, 851298272), (32, 585267562), (44, 425649136), (64, 292633781), (88, 212824568), (121, 154781504), (127, 147468992), (137, 136704832), (139, 134737856), (176, 106412284), (242, 77390752), (254, 73734496), (274, 68352416), (278, 67368928), (352, 53206142), (484, 38695376), (508, 36867248), (548, 34176208), (556, 33684464), (704, 26603071), (968, 19347688), (1016, 18433624), (1096, 17088104), (1112, 16842232), (1397, 13406272), (1507, 12427712), (1529, 12248896), (1936, 9673844), (2032, 9216812), (2192, 8544052), (2224, 8421116), (2794, 6703136), (3014, 6213856), (3058, 6124448), (3872, 4836922), (4064, 4608406), (4384, 4272026), (4448, 4210558), (5588, 3351568), (6028, 3106928), (6116, 3062224), (7744, 2418461), (8128, 2304203), (8768, 2136013), (8896, 2105279), (11176, 1675784), (12056, 1553464), (12232, 1531112), (15367, 1218752), (16577, 1129792), (16819, 1113536), (17399, 1076416), (17653, 1060928), (19043, 983488), (22352, 837892), (24112, 776732), (24464, 765556), (30734, 609376), (33154, 564896), (33638, 556768), (34798, 538208), (35306, 530464), (38086, 491744), (44704, 418946), (48224, 388366), (48928, 382778), (61468, 304688), (66308, 282448), (67276, 278384), (69596, 269104), (70612, 265232), (76172, 245872), (89408, 209473), (96448, 194183), (97856, 191389), (122936, 152344), (132616, 141224), (134552, 139192)]