19989971136

素因数分解:

$2^6\times 3^2\times {\mathrm{19}}^1\times {\mathrm{1021}}^1\times {\mathrm{1789}}^1$

素因数の和:2847

約数の個数: 168

約数和(自身を含む): 60406127600

約数和(自身を除く): 40416156464

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 64, 72, 76, 96, 114, 144, 152, 171, 192, 228, 288, 304, 342, 456, 576, 608, 684, 912, 1021, 1216, 1368, 1789, 1824, 2042, 2736, 3063, 3578, 3648, 4084, 5367, 5472, 6126, 7156, 8168, 9189, 10734, 10944, 12252, 14312, 16101, 16336, 18378, 19399, 21468, 24504, 28624, 32202, 32672, 33991, 36756, 38798, 42936, 49008, 57248, 58197, 64404, 65344, 67982, 73512, 77596, 85872, 98016, 101973, 114496, 116394, 128808, 135964, 147024, 155192, 171744, 174591, 196032, 203946, 232788, 257616, 271928, 294048, 305919, 310384, 343488, 349182, 407892, 465576, 515232, 543856, 588096, 611838, 620768, 698364, 815784, 931152, 1030464, 1087712, 1223676, 1241536, 1396728, 1631568, 1826569, 1862304, 2175424, 2447352, 2793456, 3263136, 3653138, 3724608, 4894704, 5479707, 5586912, 6526272, 7306276, 9789408, 10959414, 11173824, 14612552, 16439121, 19578816, 21918828, 29225104, 32878242, 34704811, 43837656, 58450208, 65756484, 69409622, 87675312, 104114433, 116900416, 131512968, 138819244, 175350624, 208228866, 263025936, 277638488, 312343299, 350701248, 416457732, 526051872, 555276976, 624686598, 832915464, 1052103744, 1110553952, 1249373196, 1665830928, 2221107904, 2498746392, 3331661856, 4997492784, 6663323712, 9994985568, 19989971136]

約数ペア:

[(1, 19989971136), (2, 9994985568), (3, 6663323712), (4, 4997492784), (6, 3331661856), (8, 2498746392), (9, 2221107904), (12, 1665830928), (16, 1249373196), (18, 1110553952), (19, 1052103744), (24, 832915464), (32, 624686598), (36, 555276976), (38, 526051872), (48, 416457732), (57, 350701248), (64, 312343299), (72, 277638488), (76, 263025936), (96, 208228866), (114, 175350624), (144, 138819244), (152, 131512968), (171, 116900416), (192, 104114433), (228, 87675312), (288, 69409622), (304, 65756484), (342, 58450208), (456, 43837656), (576, 34704811), (608, 32878242), (684, 29225104), (912, 21918828), (1021, 19578816), (1216, 16439121), (1368, 14612552), (1789, 11173824), (1824, 10959414), (2042, 9789408), (2736, 7306276), (3063, 6526272), (3578, 5586912), (3648, 5479707), (4084, 4894704), (5367, 3724608), (5472, 3653138), (6126, 3263136), (7156, 2793456), (8168, 2447352), (9189, 2175424), (10734, 1862304), (10944, 1826569), (12252, 1631568), (14312, 1396728), (16101, 1241536), (16336, 1223676), (18378, 1087712), (19399, 1030464), (21468, 931152), (24504, 815784), (28624, 698364), (32202, 620768), (32672, 611838), (33991, 588096), (36756, 543856), (38798, 515232), (42936, 465576), (49008, 407892), (57248, 349182), (58197, 343488), (64404, 310384), (65344, 305919), (67982, 294048), (73512, 271928), (77596, 257616), (85872, 232788), (98016, 203946), (101973, 196032), (114496, 174591), (116394, 171744), (128808, 155192), (135964, 147024)]