18987995488

素因数分解:

$2^5\times 7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{397}}^1$

素因数の和:538

約数の個数: 288

約数和(自身を含む): 49393774080

約数和(自身を除く): 30405778592

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 47, 49, 56, 59, 77, 88, 94, 98, 112, 118, 154, 176, 188, 196, 224, 236, 308, 329, 352, 376, 392, 397, 413, 472, 517, 539, 616, 649, 658, 752, 784, 794, 826, 944, 1034, 1078, 1232, 1298, 1316, 1504, 1568, 1588, 1652, 1888, 2068, 2156, 2303, 2464, 2596, 2632, 2773, 2779, 2891, 3176, 3304, 3619, 4136, 4312, 4367, 4543, 4606, 5192, 5264, 5546, 5558, 5782, 6352, 6608, 7238, 8272, 8624, 8734, 9086, 9212, 10384, 10528, 11092, 11116, 11564, 12704, 13216, 14476, 16544, 17248, 17468, 18172, 18424, 18659, 19411, 19453, 20768, 22184, 22232, 23128, 23423, 25333, 28952, 30503, 30569, 31801, 34936, 36344, 36848, 37318, 38822, 38906, 44368, 44464, 46256, 46846, 50666, 57904, 61006, 61138, 63602, 69872, 72688, 73696, 74636, 77644, 77812, 88736, 88928, 92512, 93692, 101332, 115808, 122012, 122276, 127204, 130613, 135877, 139744, 145376, 149272, 155288, 155624, 163961, 187384, 202664, 205249, 213521, 213983, 244024, 244552, 254408, 257653, 261226, 271754, 298544, 310576, 311248, 327922, 374768, 405328, 410498, 427042, 427966, 488048, 489104, 508816, 515306, 522452, 543508, 597088, 621152, 622496, 655844, 749536, 810656, 820996, 854084, 855932, 914291, 976096, 978208, 1017632, 1030612, 1044904, 1087016, 1100881, 1147727, 1311688, 1436743, 1494647, 1641992, 1708168, 1711864, 1803571, 1828582, 2061224, 2089808, 2174032, 2201762, 2295454, 2623376, 2873486, 2989294, 3283984, 3416336, 3423728, 3607142, 3657164, 4122448, 4179616, 4348064, 4403524, 4590908, 5246752, 5746972, 5978588, 6567968, 6832672, 6847456, 7214284, 7314328, 7706167, 8244896, 8807048, 9181816, 10057201, 11493944, 11957176, 12109691, 12624997, 14428568, 14628656, 15412334, 17614096, 18363632, 20114402, 22987888, 23914352, 24219382, 25249994, 28857136, 29257312, 30824668, 35228192, 36727264, 40228804, 45975776, 47828704, 48438764, 50499988, 53943169, 57714272, 61649336, 80457608, 84767837, 96877528, 100999976, 107886338, 123298672, 160915216, 169535674, 193755056, 201999952, 215772676, 246597344, 321830432, 339071348, 387510112, 403999904, 431545352, 593374859, 678142696, 863090704, 1186749718, 1356285392, 1726181408, 2373499436, 2712570784, 4746998872, 9493997744, 18987995488]

約数ペア:

[(1, 18987995488), (2, 9493997744), (4, 4746998872), (7, 2712570784), (8, 2373499436), (11, 1726181408), (14, 1356285392), (16, 1186749718), (22, 863090704), (28, 678142696), (32, 593374859), (44, 431545352), (47, 403999904), (49, 387510112), (56, 339071348), (59, 321830432), (77, 246597344), (88, 215772676), (94, 201999952), (98, 193755056), (112, 169535674), (118, 160915216), (154, 123298672), (176, 107886338), (188, 100999976), (196, 96877528), (224, 84767837), (236, 80457608), (308, 61649336), (329, 57714272), (352, 53943169), (376, 50499988), (392, 48438764), (397, 47828704), (413, 45975776), (472, 40228804), (517, 36727264), (539, 35228192), (616, 30824668), (649, 29257312), (658, 28857136), (752, 25249994), (784, 24219382), (794, 23914352), (826, 22987888), (944, 20114402), (1034, 18363632), (1078, 17614096), (1232, 15412334), (1298, 14628656), (1316, 14428568), (1504, 12624997), (1568, 12109691), (1588, 11957176), (1652, 11493944), (1888, 10057201), (2068, 9181816), (2156, 8807048), (2303, 8244896), (2464, 7706167), (2596, 7314328), (2632, 7214284), (2773, 6847456), (2779, 6832672), (2891, 6567968), (3176, 5978588), (3304, 5746972), (3619, 5246752), (4136, 4590908), (4312, 4403524), (4367, 4348064), (4543, 4179616), (4606, 4122448), (5192, 3657164), (5264, 3607142), (5546, 3423728), (5558, 3416336), (5782, 3283984), (6352, 2989294), (6608, 2873486), (7238, 2623376), (8272, 2295454), (8624, 2201762), (8734, 2174032), (9086, 2089808), (9212, 2061224), (10384, 1828582), (10528, 1803571), (11092, 1711864), (11116, 1708168), (11564, 1641992), (12704, 1494647), (13216, 1436743), (14476, 1311688), (16544, 1147727), (17248, 1100881), (17468, 1087016), (18172, 1044904), (18424, 1030612), (18659, 1017632), (19411, 978208), (19453, 976096), (20768, 914291), (22184, 855932), (22232, 854084), (23128, 820996), (23423, 810656), (25333, 749536), (28952, 655844), (30503, 622496), (30569, 621152), (31801, 597088), (34936, 543508), (36344, 522452), (36848, 515306), (37318, 508816), (38822, 489104), (38906, 488048), (44368, 427966), (44464, 427042), (46256, 410498), (46846, 405328), (50666, 374768), (57904, 327922), (61006, 311248), (61138, 310576), (63602, 298544), (69872, 271754), (72688, 261226), (73696, 257653), (74636, 254408), (77644, 244552), (77812, 244024), (88736, 213983), (88928, 213521), (92512, 205249), (93692, 202664), (101332, 187384), (115808, 163961), (122012, 155624), (122276, 155288), (127204, 149272), (130613, 145376), (135877, 139744)]