19689021440

素因数分解:

$2^{13}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{491}}^1$

素因数の和:622

約数の個数: 224

約数和(自身を含む): 52231625280

約数和(自身を除く): 32542603840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 89, 110, 128, 160, 176, 178, 220, 256, 320, 352, 356, 440, 445, 491, 512, 640, 704, 712, 880, 890, 979, 982, 1024, 1280, 1408, 1424, 1760, 1780, 1958, 1964, 2048, 2455, 2560, 2816, 2848, 3520, 3560, 3916, 3928, 4096, 4895, 4910, 5120, 5401, 5632, 5696, 7040, 7120, 7832, 7856, 8192, 9790, 9820, 10240, 10802, 11264, 11392, 14080, 14240, 15664, 15712, 19580, 19640, 20480, 21604, 22528, 22784, 27005, 28160, 28480, 31328, 31424, 39160, 39280, 40960, 43208, 43699, 45056, 45568, 54010, 56320, 56960, 62656, 62848, 78320, 78560, 86416, 87398, 90112, 91136, 108020, 112640, 113920, 125312, 125696, 156640, 157120, 172832, 174796, 182272, 216040, 218495, 225280, 227840, 250624, 251392, 313280, 314240, 345664, 349592, 364544, 432080, 436990, 450560, 455680, 480689, 501248, 502784, 626560, 628480, 691328, 699184, 729088, 864160, 873980, 911360, 961378, 1002496, 1005568, 1253120, 1256960, 1382656, 1398368, 1728320, 1747960, 1822720, 1922756, 2004992, 2011136, 2403445, 2506240, 2513920, 2765312, 2796736, 3456640, 3495920, 3645440, 3845512, 4009984, 4022272, 4806890, 5012480, 5027840, 5530624, 5593472, 6913280, 6991840, 7691024, 8019968, 9613780, 10024960, 10055680, 11061248, 11186944, 13826560, 13983680, 15382048, 19227560, 20049920, 20111360, 22122496, 22373888, 27653120, 27967360, 30764096, 38455120, 40099840, 44244992, 44747776, 55306240, 55934720, 61528192, 76910240, 89495552, 110612480, 111869440, 123056384, 153820480, 178991104, 221224960, 223738880, 246112768, 307640960, 357982208, 447477760, 492225536, 615281920, 894955520, 984451072, 1230563840, 1789911040, 1968902144, 2461127680, 3937804288, 4922255360, 9844510720, 19689021440]

約数ペア:

[(1, 19689021440), (2, 9844510720), (4, 4922255360), (5, 3937804288), (8, 2461127680), (10, 1968902144), (11, 1789911040), (16, 1230563840), (20, 984451072), (22, 894955520), (32, 615281920), (40, 492225536), (44, 447477760), (55, 357982208), (64, 307640960), (80, 246112768), (88, 223738880), (89, 221224960), (110, 178991104), (128, 153820480), (160, 123056384), (176, 111869440), (178, 110612480), (220, 89495552), (256, 76910240), (320, 61528192), (352, 55934720), (356, 55306240), (440, 44747776), (445, 44244992), (491, 40099840), (512, 38455120), (640, 30764096), (704, 27967360), (712, 27653120), (880, 22373888), (890, 22122496), (979, 20111360), (982, 20049920), (1024, 19227560), (1280, 15382048), (1408, 13983680), (1424, 13826560), (1760, 11186944), (1780, 11061248), (1958, 10055680), (1964, 10024960), (2048, 9613780), (2455, 8019968), (2560, 7691024), (2816, 6991840), (2848, 6913280), (3520, 5593472), (3560, 5530624), (3916, 5027840), (3928, 5012480), (4096, 4806890), (4895, 4022272), (4910, 4009984), (5120, 3845512), (5401, 3645440), (5632, 3495920), (5696, 3456640), (7040, 2796736), (7120, 2765312), (7832, 2513920), (7856, 2506240), (8192, 2403445), (9790, 2011136), (9820, 2004992), (10240, 1922756), (10802, 1822720), (11264, 1747960), (11392, 1728320), (14080, 1398368), (14240, 1382656), (15664, 1256960), (15712, 1253120), (19580, 1005568), (19640, 1002496), (20480, 961378), (21604, 911360), (22528, 873980), (22784, 864160), (27005, 729088), (28160, 699184), (28480, 691328), (31328, 628480), (31424, 626560), (39160, 502784), (39280, 501248), (40960, 480689), (43208, 455680), (43699, 450560), (45056, 436990), (45568, 432080), (54010, 364544), (56320, 349592), (56960, 345664), (62656, 314240), (62848, 313280), (78320, 251392), (78560, 250624), (86416, 227840), (87398, 225280), (90112, 218495), (91136, 216040), (108020, 182272), (112640, 174796), (113920, 172832), (125312, 157120), (125696, 156640)]