18991815696

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{2543}}^1$

素因数の和:2834

約数の個数: 240

約数和(自身を含む): 62990254080

約数和(自身を除く): 43998438384

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 36, 42, 48, 56, 62, 63, 72, 84, 93, 112, 124, 126, 144, 168, 186, 217, 239, 248, 252, 279, 336, 372, 434, 478, 496, 504, 558, 651, 717, 744, 868, 956, 1008, 1116, 1302, 1434, 1488, 1673, 1736, 1912, 1953, 2151, 2232, 2543, 2604, 2868, 3346, 3472, 3824, 3906, 4302, 4464, 5019, 5086, 5208, 5736, 6692, 7409, 7629, 7812, 8604, 10038, 10172, 10416, 11472, 13384, 14818, 15057, 15258, 15624, 17208, 17801, 20076, 20344, 22227, 22887, 26768, 29636, 30114, 30516, 31248, 34416, 35602, 40152, 40688, 44454, 45774, 51863, 53403, 59272, 60228, 61032, 66681, 71204, 78833, 80304, 88908, 91548, 103726, 106806, 118544, 120456, 122064, 133362, 142408, 155589, 157666, 160209, 177816, 183096, 207452, 213612, 236499, 240912, 266724, 284816, 311178, 315332, 320418, 355632, 366192, 414904, 427224, 466767, 472998, 533448, 551831, 607777, 622356, 630664, 640836, 709497, 829808, 854448, 933534, 945996, 1066896, 1103662, 1215554, 1244712, 1261328, 1281672, 1418994, 1655493, 1823331, 1867068, 1891992, 2207324, 2431108, 2489424, 2563344, 2837988, 3310986, 3646662, 3734136, 3783984, 4254439, 4414648, 4862216, 4966479, 5469993, 5675976, 6621972, 7293324, 7468272, 8508878, 8829296, 9724432, 9932958, 10939986, 11351952, 12763317, 13243944, 14586648, 17017756, 18841087, 19865916, 21879972, 25526634, 26487888, 29173296, 34035512, 37682174, 38289951, 39731832, 43759944, 51053268, 56523261, 68071024, 75364348, 76579902, 79463664, 87519888, 102106536, 113046522, 131887609, 150728696, 153159804, 169569783, 204213072, 226093044, 263775218, 301457392, 306319608, 339139566, 395662827, 452186088, 527550436, 612639216, 678279132, 791325654, 904372176, 1055100872, 1186988481, 1356558264, 1582651308, 2110201744, 2373976962, 2713116528, 3165302616, 4747953924, 6330605232, 9495907848, 18991815696]

約数ペア:

[(1, 18991815696), (2, 9495907848), (3, 6330605232), (4, 4747953924), (6, 3165302616), (7, 2713116528), (8, 2373976962), (9, 2110201744), (12, 1582651308), (14, 1356558264), (16, 1186988481), (18, 1055100872), (21, 904372176), (24, 791325654), (28, 678279132), (31, 612639216), (36, 527550436), (42, 452186088), (48, 395662827), (56, 339139566), (62, 306319608), (63, 301457392), (72, 263775218), (84, 226093044), (93, 204213072), (112, 169569783), (124, 153159804), (126, 150728696), (144, 131887609), (168, 113046522), (186, 102106536), (217, 87519888), (239, 79463664), (248, 76579902), (252, 75364348), (279, 68071024), (336, 56523261), (372, 51053268), (434, 43759944), (478, 39731832), (496, 38289951), (504, 37682174), (558, 34035512), (651, 29173296), (717, 26487888), (744, 25526634), (868, 21879972), (956, 19865916), (1008, 18841087), (1116, 17017756), (1302, 14586648), (1434, 13243944), (1488, 12763317), (1673, 11351952), (1736, 10939986), (1912, 9932958), (1953, 9724432), (2151, 8829296), (2232, 8508878), (2543, 7468272), (2604, 7293324), (2868, 6621972), (3346, 5675976), (3472, 5469993), (3824, 4966479), (3906, 4862216), (4302, 4414648), (4464, 4254439), (5019, 3783984), (5086, 3734136), (5208, 3646662), (5736, 3310986), (6692, 2837988), (7409, 2563344), (7629, 2489424), (7812, 2431108), (8604, 2207324), (10038, 1891992), (10172, 1867068), (10416, 1823331), (11472, 1655493), (13384, 1418994), (14818, 1281672), (15057, 1261328), (15258, 1244712), (15624, 1215554), (17208, 1103662), (17801, 1066896), (20076, 945996), (20344, 933534), (22227, 854448), (22887, 829808), (26768, 709497), (29636, 640836), (30114, 630664), (30516, 622356), (31248, 607777), (34416, 551831), (35602, 533448), (40152, 472998), (40688, 466767), (44454, 427224), (45774, 414904), (51863, 366192), (53403, 355632), (59272, 320418), (60228, 315332), (61032, 311178), (66681, 284816), (71204, 266724), (78833, 240912), (80304, 236499), (88908, 213612), (91548, 207452), (103726, 183096), (106806, 177816), (118544, 160209), (120456, 157666), (122064, 155589), (133362, 142408)]