18520425728

素因数分解:

$2^8\times 7^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{491}}^1$

素因数の和:649

約数の個数: 216

約数和(自身を含む): 44940397824

約数和(自身を除く): 26419972096

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 62, 64, 97, 98, 112, 124, 128, 194, 196, 217, 224, 248, 256, 388, 392, 434, 448, 491, 496, 679, 776, 784, 868, 896, 982, 992, 1358, 1519, 1552, 1568, 1736, 1792, 1964, 1984, 2716, 3007, 3038, 3104, 3136, 3437, 3472, 3928, 3968, 4753, 5432, 6014, 6076, 6208, 6272, 6874, 6944, 7856, 7936, 9506, 10864, 12028, 12152, 12416, 12544, 13748, 13888, 15221, 15712, 19012, 21049, 21728, 24056, 24059, 24304, 24832, 27496, 27776, 30442, 31424, 38024, 42098, 43456, 47627, 48112, 48118, 48608, 54992, 55552, 60884, 62848, 76048, 84196, 86912, 95254, 96224, 96236, 97216, 106547, 109984, 121768, 125696, 147343, 152096, 168392, 173824, 190508, 192448, 192472, 194432, 213094, 219968, 243536, 294686, 304192, 333389, 336784, 381016, 384896, 384944, 388864, 426188, 439936, 487072, 589372, 608384, 666778, 673568, 745829, 762032, 769792, 769888, 852376, 879872, 974144, 1178744, 1216768, 1333556, 1347136, 1476437, 1491658, 1524064, 1539776, 1704752, 1948288, 2333723, 2357488, 2667112, 2694272, 2952874, 2983316, 3048128, 3079552, 3409504, 3896576, 4667446, 4714976, 5334224, 5388544, 5905748, 5966632, 6096256, 6159104, 6819008, 9334892, 9429952, 10335059, 10668448, 11811496, 11933264, 12192512, 13638016, 18669784, 18859904, 20670118, 21336896, 23622992, 23866528, 27276032, 37339568, 37719808, 41340236, 42673792, 47245984, 47733056, 72345413, 74679136, 82680472, 85347584, 94491968, 95466112, 144690826, 149358272, 165360944, 188983936, 190932224, 289381652, 298716544, 330721888, 377967872, 578763304, 597433088, 661443776, 1157526608, 1322887552, 2315053216, 2645775104, 4630106432, 9260212864, 18520425728]

約数ペア:

[(1, 18520425728), (2, 9260212864), (4, 4630106432), (7, 2645775104), (8, 2315053216), (14, 1322887552), (16, 1157526608), (28, 661443776), (31, 597433088), (32, 578763304), (49, 377967872), (56, 330721888), (62, 298716544), (64, 289381652), (97, 190932224), (98, 188983936), (112, 165360944), (124, 149358272), (128, 144690826), (194, 95466112), (196, 94491968), (217, 85347584), (224, 82680472), (248, 74679136), (256, 72345413), (388, 47733056), (392, 47245984), (434, 42673792), (448, 41340236), (491, 37719808), (496, 37339568), (679, 27276032), (776, 23866528), (784, 23622992), (868, 21336896), (896, 20670118), (982, 18859904), (992, 18669784), (1358, 13638016), (1519, 12192512), (1552, 11933264), (1568, 11811496), (1736, 10668448), (1792, 10335059), (1964, 9429952), (1984, 9334892), (2716, 6819008), (3007, 6159104), (3038, 6096256), (3104, 5966632), (3136, 5905748), (3437, 5388544), (3472, 5334224), (3928, 4714976), (3968, 4667446), (4753, 3896576), (5432, 3409504), (6014, 3079552), (6076, 3048128), (6208, 2983316), (6272, 2952874), (6874, 2694272), (6944, 2667112), (7856, 2357488), (7936, 2333723), (9506, 1948288), (10864, 1704752), (12028, 1539776), (12152, 1524064), (12416, 1491658), (12544, 1476437), (13748, 1347136), (13888, 1333556), (15221, 1216768), (15712, 1178744), (19012, 974144), (21049, 879872), (21728, 852376), (24056, 769888), (24059, 769792), (24304, 762032), (24832, 745829), (27496, 673568), (27776, 666778), (30442, 608384), (31424, 589372), (38024, 487072), (42098, 439936), (43456, 426188), (47627, 388864), (48112, 384944), (48118, 384896), (48608, 381016), (54992, 336784), (55552, 333389), (60884, 304192), (62848, 294686), (76048, 243536), (84196, 219968), (86912, 213094), (95254, 194432), (96224, 192472), (96236, 192448), (97216, 190508), (106547, 173824), (109984, 168392), (121768, 152096), (125696, 147343)]