19959281056

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12791}}^1$

素因数の和:12867

約数の個数: 144

約数和(自身を含む): 48018507264

約数和(自身を除く): 28059226208

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 31, 32, 44, 52, 62, 88, 104, 121, 124, 143, 176, 208, 242, 248, 286, 341, 352, 403, 416, 484, 496, 572, 682, 806, 968, 992, 1144, 1364, 1573, 1612, 1936, 2288, 2728, 3146, 3224, 3751, 3872, 4433, 4576, 5456, 6292, 6448, 7502, 8866, 10912, 12584, 12791, 12896, 15004, 17732, 25168, 25582, 30008, 35464, 48763, 50336, 51164, 60016, 70928, 97526, 102328, 120032, 140701, 141856, 166283, 195052, 204656, 281402, 332566, 390104, 396521, 409312, 562804, 665132, 780208, 793042, 1125608, 1330264, 1547711, 1560416, 1586084, 1829113, 2251216, 2660528, 3095422, 3172168, 3658226, 4361731, 4502432, 5154773, 5321056, 6190844, 6344336, 7316452, 8723462, 10309546, 12381688, 12688672, 14632904, 17446924, 20120243, 20619092, 24763376, 29265808, 34893848, 40240486, 41238184, 47979041, 49526752, 56702503, 58531616, 69787696, 80480972, 82476368, 95958082, 113405006, 139575392, 160961944, 164952736, 191916164, 226810012, 321923888, 383832328, 453620024, 623727533, 643847776, 767664656, 907240048, 1247455066, 1535329312, 1814480096, 2494910132, 4989820264, 9979640528, 19959281056]

約数ペア:

[(1, 19959281056), (2, 9979640528), (4, 4989820264), (8, 2494910132), (11, 1814480096), (13, 1535329312), (16, 1247455066), (22, 907240048), (26, 767664656), (31, 643847776), (32, 623727533), (44, 453620024), (52, 383832328), (62, 321923888), (88, 226810012), (104, 191916164), (121, 164952736), (124, 160961944), (143, 139575392), (176, 113405006), (208, 95958082), (242, 82476368), (248, 80480972), (286, 69787696), (341, 58531616), (352, 56702503), (403, 49526752), (416, 47979041), (484, 41238184), (496, 40240486), (572, 34893848), (682, 29265808), (806, 24763376), (968, 20619092), (992, 20120243), (1144, 17446924), (1364, 14632904), (1573, 12688672), (1612, 12381688), (1936, 10309546), (2288, 8723462), (2728, 7316452), (3146, 6344336), (3224, 6190844), (3751, 5321056), (3872, 5154773), (4433, 4502432), (4576, 4361731), (5456, 3658226), (6292, 3172168), (6448, 3095422), (7502, 2660528), (8866, 2251216), (10912, 1829113), (12584, 1586084), (12791, 1560416), (12896, 1547711), (15004, 1330264), (17732, 1125608), (25168, 793042), (25582, 780208), (30008, 665132), (35464, 562804), (48763, 409312), (50336, 396521), (51164, 390104), (60016, 332566), (70928, 281402), (97526, 204656), (102328, 195052), (120032, 166283), (140701, 141856)]