18915862784

素因数分解:

$2^8\times 7^3\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1$

素因数の和:350

約数の個数: 288

約数和(自身を含む): 48280915200

約数和(自身を除く): 29365052416

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 64, 73, 91, 98, 104, 112, 128, 146, 182, 196, 208, 224, 227, 256, 292, 343, 364, 392, 416, 448, 454, 511, 584, 637, 686, 728, 784, 832, 896, 908, 949, 1022, 1168, 1274, 1372, 1456, 1568, 1589, 1664, 1792, 1816, 1898, 2044, 2336, 2548, 2744, 2912, 2951, 3136, 3178, 3328, 3577, 3632, 3796, 4088, 4459, 4672, 5096, 5488, 5824, 5902, 6272, 6356, 6643, 7154, 7264, 7592, 8176, 8918, 9344, 10192, 10976, 11123, 11648, 11804, 12544, 12712, 13286, 14308, 14528, 15184, 16352, 16571, 17836, 18688, 20384, 20657, 21952, 22246, 23296, 23608, 25039, 25424, 26572, 28616, 29056, 30368, 32704, 33142, 35672, 40768, 41314, 43904, 44492, 46501, 47216, 50078, 50848, 53144, 57232, 58112, 60736, 65408, 66284, 71344, 77861, 81536, 82628, 87808, 88984, 93002, 94432, 100156, 101696, 106288, 114464, 115997, 121472, 130816, 132568, 142688, 144599, 155722, 163072, 165256, 177968, 186004, 188864, 200312, 203392, 212576, 215423, 228928, 231994, 242944, 265136, 285376, 289198, 311444, 325507, 330512, 355936, 372008, 377728, 400624, 406784, 425152, 430846, 457856, 463988, 530272, 570752, 578396, 622888, 651014, 661024, 711872, 744016, 755456, 801248, 811979, 850304, 861692, 915712, 927976, 1012193, 1060544, 1141504, 1156792, 1245776, 1302028, 1322048, 1423744, 1488032, 1507961, 1602496, 1623958, 1700608, 1723384, 1855952, 2024386, 2121088, 2313584, 2491552, 2604056, 2644096, 2847488, 2976064, 3015922, 3204992, 3247916, 3446768, 3711904, 4048772, 4242176, 4627168, 4983104, 5208112, 5288192, 5683853, 5952128, 6031844, 6409984, 6495832, 6893536, 7423808, 8097544, 9254336, 9966208, 10416224, 10555727, 11367706, 11904256, 12063688, 12991664, 13787072, 14847616, 16195088, 18508672, 19932416, 20832448, 21111454, 22735412, 24127376, 25983328, 27574144, 29695232, 32390176, 37017344, 41664896, 42222908, 45470824, 48254752, 51966656, 55148288, 64780352, 73890089, 83329792, 84445816, 90941648, 96509504, 103933312, 129560704, 147780178, 168891632, 181883296, 193019008, 207866624, 259121408, 295560356, 337783264, 363766592, 386038016, 591120712, 675566528, 727533184, 1182241424, 1351133056, 1455066368, 2364482848, 2702266112, 4728965696, 9457931392, 18915862784]

約数ペア:

[(1, 18915862784), (2, 9457931392), (4, 4728965696), (7, 2702266112), (8, 2364482848), (13, 1455066368), (14, 1351133056), (16, 1182241424), (26, 727533184), (28, 675566528), (32, 591120712), (49, 386038016), (52, 363766592), (56, 337783264), (64, 295560356), (73, 259121408), (91, 207866624), (98, 193019008), (104, 181883296), (112, 168891632), (128, 147780178), (146, 129560704), (182, 103933312), (196, 96509504), (208, 90941648), (224, 84445816), (227, 83329792), (256, 73890089), (292, 64780352), (343, 55148288), (364, 51966656), (392, 48254752), (416, 45470824), (448, 42222908), (454, 41664896), (511, 37017344), (584, 32390176), (637, 29695232), (686, 27574144), (728, 25983328), (784, 24127376), (832, 22735412), (896, 21111454), (908, 20832448), (949, 19932416), (1022, 18508672), (1168, 16195088), (1274, 14847616), (1372, 13787072), (1456, 12991664), (1568, 12063688), (1589, 11904256), (1664, 11367706), (1792, 10555727), (1816, 10416224), (1898, 9966208), (2044, 9254336), (2336, 8097544), (2548, 7423808), (2744, 6893536), (2912, 6495832), (2951, 6409984), (3136, 6031844), (3178, 5952128), (3328, 5683853), (3577, 5288192), (3632, 5208112), (3796, 4983104), (4088, 4627168), (4459, 4242176), (4672, 4048772), (5096, 3711904), (5488, 3446768), (5824, 3247916), (5902, 3204992), (6272, 3015922), (6356, 2976064), (6643, 2847488), (7154, 2644096), (7264, 2604056), (7592, 2491552), (8176, 2313584), (8918, 2121088), (9344, 2024386), (10192, 1855952), (10976, 1723384), (11123, 1700608), (11648, 1623958), (11804, 1602496), (12544, 1507961), (12712, 1488032), (13286, 1423744), (14308, 1322048), (14528, 1302028), (15184, 1245776), (16352, 1156792), (16571, 1141504), (17836, 1060544), (18688, 1012193), (20384, 927976), (20657, 915712), (21952, 861692), (22246, 850304), (23296, 811979), (23608, 801248), (25039, 755456), (25424, 744016), (26572, 711872), (28616, 661024), (29056, 651014), (30368, 622888), (32704, 578396), (33142, 570752), (35672, 530272), (40768, 463988), (41314, 457856), (43904, 430846), (44492, 425152), (46501, 406784), (47216, 400624), (50078, 377728), (50848, 372008), (53144, 355936), (57232, 330512), (58112, 325507), (60736, 311444), (65408, 289198), (66284, 285376), (71344, 265136), (77861, 242944), (81536, 231994), (82628, 228928), (87808, 215423), (88984, 212576), (93002, 203392), (94432, 200312), (100156, 188864), (101696, 186004), (106288, 177968), (114464, 165256), (115997, 163072), (121472, 155722), (130816, 144599), (132568, 142688)]