19907641728

素因数分解:

$2^7\times 3^3\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{1987}}^1$

素因数の和:2246

約数の個数: 256

約数和(自身を含む): 63590553600

約数和(自身を除く): 43682911872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 64, 72, 78, 96, 104, 108, 117, 128, 144, 156, 192, 208, 216, 223, 234, 288, 312, 351, 384, 416, 432, 446, 468, 576, 624, 669, 702, 832, 864, 892, 936, 1152, 1248, 1338, 1404, 1664, 1728, 1784, 1872, 1987, 2007, 2496, 2676, 2808, 2899, 3456, 3568, 3744, 3974, 4014, 4992, 5352, 5616, 5798, 5961, 6021, 7136, 7488, 7948, 8028, 8697, 10704, 11232, 11596, 11922, 12042, 14272, 14976, 15896, 16056, 17394, 17883, 21408, 22464, 23192, 23844, 24084, 25831, 26091, 28544, 31792, 32112, 34788, 35766, 42816, 44928, 46384, 47688, 48168, 51662, 52182, 53649, 63584, 64224, 69576, 71532, 77493, 78273, 85632, 92768, 95376, 96336, 103324, 104364, 107298, 127168, 128448, 139152, 143064, 154986, 156546, 185536, 190752, 192672, 206648, 208728, 214596, 232479, 254336, 256896, 278304, 286128, 309972, 313092, 371072, 381504, 385344, 413296, 417456, 429192, 443101, 464958, 556608, 572256, 619944, 626184, 697437, 763008, 770688, 826592, 834912, 858384, 886202, 929916, 1113216, 1144512, 1239888, 1252368, 1329303, 1394874, 1653184, 1669824, 1716768, 1772404, 1859832, 2289024, 2479776, 2504736, 2658606, 2789748, 3306368, 3339648, 3433536, 3544808, 3719664, 3987909, 4959552, 5009472, 5317212, 5579496, 5760313, 6867072, 7089616, 7439328, 7975818, 9919104, 10018944, 10634424, 11158992, 11520626, 11963727, 14179232, 14878656, 15951636, 17280939, 21268848, 22317984, 23041252, 23927454, 28358464, 29757312, 31903272, 34561878, 42537696, 44635968, 46082504, 47854908, 51842817, 56716928, 63806544, 69123756, 85075392, 89271936, 92165008, 95709816, 103685634, 127613088, 138247512, 155528451, 170150784, 184330016, 191419632, 207371268, 255226176, 276495024, 311056902, 368660032, 382839264, 414742536, 510452352, 552990048, 622113804, 737320064, 765678528, 829485072, 1105980096, 1244227608, 1531357056, 1658970144, 2211960192, 2488455216, 3317940288, 4976910432, 6635880576, 9953820864, 19907641728]

約数ペア:

[(1, 19907641728), (2, 9953820864), (3, 6635880576), (4, 4976910432), (6, 3317940288), (8, 2488455216), (9, 2211960192), (12, 1658970144), (13, 1531357056), (16, 1244227608), (18, 1105980096), (24, 829485072), (26, 765678528), (27, 737320064), (32, 622113804), (36, 552990048), (39, 510452352), (48, 414742536), (52, 382839264), (54, 368660032), (64, 311056902), (72, 276495024), (78, 255226176), (96, 207371268), (104, 191419632), (108, 184330016), (117, 170150784), (128, 155528451), (144, 138247512), (156, 127613088), (192, 103685634), (208, 95709816), (216, 92165008), (223, 89271936), (234, 85075392), (288, 69123756), (312, 63806544), (351, 56716928), (384, 51842817), (416, 47854908), (432, 46082504), (446, 44635968), (468, 42537696), (576, 34561878), (624, 31903272), (669, 29757312), (702, 28358464), (832, 23927454), (864, 23041252), (892, 22317984), (936, 21268848), (1152, 17280939), (1248, 15951636), (1338, 14878656), (1404, 14179232), (1664, 11963727), (1728, 11520626), (1784, 11158992), (1872, 10634424), (1987, 10018944), (2007, 9919104), (2496, 7975818), (2676, 7439328), (2808, 7089616), (2899, 6867072), (3456, 5760313), (3568, 5579496), (3744, 5317212), (3974, 5009472), (4014, 4959552), (4992, 3987909), (5352, 3719664), (5616, 3544808), (5798, 3433536), (5961, 3339648), (6021, 3306368), (7136, 2789748), (7488, 2658606), (7948, 2504736), (8028, 2479776), (8697, 2289024), (10704, 1859832), (11232, 1772404), (11596, 1716768), (11922, 1669824), (12042, 1653184), (14272, 1394874), (14976, 1329303), (15896, 1252368), (16056, 1239888), (17394, 1144512), (17883, 1113216), (21408, 929916), (22464, 886202), (23192, 858384), (23844, 834912), (24084, 826592), (25831, 770688), (26091, 763008), (28544, 697437), (31792, 626184), (32112, 619944), (34788, 572256), (35766, 556608), (42816, 464958), (44928, 443101), (46384, 429192), (47688, 417456), (48168, 413296), (51662, 385344), (52182, 381504), (53649, 371072), (63584, 313092), (64224, 309972), (69576, 286128), (71532, 278304), (77493, 256896), (78273, 254336), (85632, 232479), (92768, 214596), (95376, 208728), (96336, 206648), (103324, 192672), (104364, 190752), (107298, 185536), (127168, 156546), (128448, 154986), (139152, 143064)]