19959774464

素因数分解:

$2^8\times 7^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:481

約数の個数: 216

約数和(自身を含む): 47798106048

約数和(自身を除く): 27838331584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 71, 73, 98, 112, 128, 142, 146, 196, 224, 256, 284, 292, 307, 392, 448, 497, 511, 568, 584, 614, 784, 896, 994, 1022, 1136, 1168, 1228, 1568, 1792, 1988, 2044, 2149, 2272, 2336, 2456, 3136, 3479, 3577, 3976, 4088, 4298, 4544, 4672, 4912, 5183, 6272, 6958, 7154, 7952, 8176, 8596, 9088, 9344, 9824, 10366, 12544, 13916, 14308, 15043, 15904, 16352, 17192, 18176, 18688, 19648, 20732, 21797, 22411, 27832, 28616, 30086, 31808, 32704, 34384, 36281, 39296, 41464, 43594, 44822, 55664, 57232, 60172, 63616, 65408, 68768, 72562, 78592, 82928, 87188, 89644, 111328, 114464, 120344, 127232, 130816, 137536, 145124, 152579, 156877, 165856, 174376, 179288, 222656, 228928, 240688, 253967, 275072, 290248, 305158, 313754, 331712, 348752, 358576, 445312, 457856, 481376, 507934, 550144, 580496, 610316, 627508, 663424, 697504, 717152, 890624, 915712, 962752, 1015868, 1068053, 1098139, 1160992, 1220632, 1255016, 1326848, 1395008, 1434304, 1591181, 1925504, 2031736, 2136106, 2196278, 2321984, 2441264, 2510032, 2790016, 2868608, 3182362, 3851008, 4063472, 4272212, 4392556, 4643968, 4882528, 5020064, 5580032, 5737216, 6364724, 8126944, 8544424, 8785112, 9287936, 9765056, 10040128, 11138267, 12729448, 16253888, 17088848, 17570224, 19530112, 20080256, 22276534, 25458896, 32507776, 34177696, 35140448, 39060224, 40160512, 44553068, 50917792, 65015552, 68355392, 70280896, 77967869, 89106136, 101835584, 136710784, 140561792, 155935738, 178212272, 203671168, 273421568, 281123584, 311871476, 356424544, 407342336, 623742952, 712849088, 1247485904, 1425698176, 2494971808, 2851396352, 4989943616, 9979887232, 19959774464]

約数ペア:

[(1, 19959774464), (2, 9979887232), (4, 4989943616), (7, 2851396352), (8, 2494971808), (14, 1425698176), (16, 1247485904), (28, 712849088), (32, 623742952), (49, 407342336), (56, 356424544), (64, 311871476), (71, 281123584), (73, 273421568), (98, 203671168), (112, 178212272), (128, 155935738), (142, 140561792), (146, 136710784), (196, 101835584), (224, 89106136), (256, 77967869), (284, 70280896), (292, 68355392), (307, 65015552), (392, 50917792), (448, 44553068), (497, 40160512), (511, 39060224), (568, 35140448), (584, 34177696), (614, 32507776), (784, 25458896), (896, 22276534), (994, 20080256), (1022, 19530112), (1136, 17570224), (1168, 17088848), (1228, 16253888), (1568, 12729448), (1792, 11138267), (1988, 10040128), (2044, 9765056), (2149, 9287936), (2272, 8785112), (2336, 8544424), (2456, 8126944), (3136, 6364724), (3479, 5737216), (3577, 5580032), (3976, 5020064), (4088, 4882528), (4298, 4643968), (4544, 4392556), (4672, 4272212), (4912, 4063472), (5183, 3851008), (6272, 3182362), (6958, 2868608), (7154, 2790016), (7952, 2510032), (8176, 2441264), (8596, 2321984), (9088, 2196278), (9344, 2136106), (9824, 2031736), (10366, 1925504), (12544, 1591181), (13916, 1434304), (14308, 1395008), (15043, 1326848), (15904, 1255016), (16352, 1220632), (17192, 1160992), (18176, 1098139), (18688, 1068053), (19648, 1015868), (20732, 962752), (21797, 915712), (22411, 890624), (27832, 717152), (28616, 697504), (30086, 663424), (31808, 627508), (32704, 610316), (34384, 580496), (36281, 550144), (39296, 507934), (41464, 481376), (43594, 457856), (44822, 445312), (55664, 358576), (57232, 348752), (60172, 331712), (63616, 313754), (65408, 305158), (68768, 290248), (72562, 275072), (78592, 253967), (82928, 240688), (87188, 228928), (89644, 222656), (111328, 179288), (114464, 174376), (120344, 165856), (127232, 156877), (130816, 152579), (137536, 145124)]