19893983648

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{23677}}^1$

素因数の和:23747

約数の個数: 144

約数和(自身を含む): 50789878272

約数和(自身を除く): 30895894624

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 32, 44, 56, 62, 77, 88, 112, 121, 124, 154, 176, 217, 224, 242, 248, 308, 341, 352, 434, 484, 496, 616, 682, 847, 868, 968, 992, 1232, 1364, 1694, 1736, 1936, 2387, 2464, 2728, 3388, 3472, 3751, 3872, 4774, 5456, 6776, 6944, 7502, 9548, 10912, 13552, 15004, 19096, 23677, 26257, 27104, 30008, 38192, 47354, 52514, 60016, 76384, 94708, 105028, 120032, 165739, 189416, 210056, 260447, 331478, 378832, 420112, 520894, 662956, 733987, 757664, 840224, 1041788, 1325912, 1467974, 1823129, 2083576, 2651824, 2864917, 2935948, 3646258, 4167152, 5137909, 5303648, 5729834, 5871896, 7292516, 8073857, 8334304, 10275818, 11459668, 11743792, 14585032, 16147714, 20054419, 20551636, 22919336, 23487584, 29170064, 32295428, 40108838, 41103272, 45838672, 56516999, 58340128, 64590856, 80217676, 82206544, 88812427, 91677344, 113033998, 129181712, 160435352, 164413088, 177624854, 226067996, 258363424, 320870704, 355249708, 452135992, 621686989, 641741408, 710499416, 904271984, 1243373978, 1420998832, 1808543968, 2486747956, 2841997664, 4973495912, 9946991824, 19893983648]

約数ペア:

[(1, 19893983648), (2, 9946991824), (4, 4973495912), (7, 2841997664), (8, 2486747956), (11, 1808543968), (14, 1420998832), (16, 1243373978), (22, 904271984), (28, 710499416), (31, 641741408), (32, 621686989), (44, 452135992), (56, 355249708), (62, 320870704), (77, 258363424), (88, 226067996), (112, 177624854), (121, 164413088), (124, 160435352), (154, 129181712), (176, 113033998), (217, 91677344), (224, 88812427), (242, 82206544), (248, 80217676), (308, 64590856), (341, 58340128), (352, 56516999), (434, 45838672), (484, 41103272), (496, 40108838), (616, 32295428), (682, 29170064), (847, 23487584), (868, 22919336), (968, 20551636), (992, 20054419), (1232, 16147714), (1364, 14585032), (1694, 11743792), (1736, 11459668), (1936, 10275818), (2387, 8334304), (2464, 8073857), (2728, 7292516), (3388, 5871896), (3472, 5729834), (3751, 5303648), (3872, 5137909), (4774, 4167152), (5456, 3646258), (6776, 2935948), (6944, 2864917), (7502, 2651824), (9548, 2083576), (10912, 1823129), (13552, 1467974), (15004, 1325912), (19096, 1041788), (23677, 840224), (26257, 757664), (27104, 733987), (30008, 662956), (38192, 520894), (47354, 420112), (52514, 378832), (60016, 331478), (76384, 260447), (94708, 210056), (105028, 189416), (120032, 165739)]