19678680

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1$

素因数の和:183

約数の個数: 256

約数和(自身を含む): 79488000

約数和(自身を除く): 59809320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 27, 28, 30, 35, 36, 38, 40, 42, 45, 54, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 105, 108, 114, 120, 126, 133, 135, 137, 140, 152, 168, 171, 180, 189, 190, 210, 216, 228, 252, 266, 270, 274, 280, 285, 315, 342, 360, 378, 380, 399, 411, 420, 456, 504, 513, 532, 540, 548, 570, 630, 665, 684, 685, 756, 760, 798, 822, 840, 855, 945, 959, 1026, 1064, 1080, 1096, 1140, 1197, 1233, 1260, 1330, 1368, 1370, 1512, 1596, 1644, 1710, 1890, 1918, 1995, 2052, 2055, 2280, 2394, 2466, 2520, 2565, 2603, 2660, 2740, 2877, 3192, 3288, 3420, 3591, 3699, 3780, 3836, 3990, 4104, 4110, 4788, 4795, 4932, 5130, 5206, 5320, 5480, 5754, 5985, 6165, 6840, 7182, 7398, 7560, 7672, 7809, 7980, 8220, 8631, 9576, 9590, 9864, 10260, 10412, 11508, 11970, 12330, 13015, 14364, 14385, 14796, 15618, 15960, 16440, 17262, 17955, 18221, 18495, 19180, 20520, 20824, 23016, 23427, 23940, 24660, 25893, 26030, 28728, 28770, 29592, 31236, 34524, 35910, 36442, 36990, 38360, 39045, 43155, 46854, 47880, 49320, 51786, 52060, 54663, 57540, 62472, 69048, 70281, 71820, 72884, 73980, 78090, 86310, 91105, 93708, 103572, 104120, 109326, 115080, 117135, 129465, 140562, 143640, 145768, 147960, 156180, 163989, 172620, 182210, 187416, 207144, 218652, 234270, 258930, 273315, 281124, 312360, 327978, 345240, 351405, 364420, 437304, 468540, 491967, 517860, 546630, 562248, 655956, 702810, 728840, 819945, 937080, 983934, 1035720, 1093260, 1311912, 1405620, 1639890, 1967868, 2186520, 2459835, 2811240, 3279780, 3935736, 4919670, 6559560, 9839340, 19678680]

約数ペア:

[(1, 19678680), (2, 9839340), (3, 6559560), (4, 4919670), (5, 3935736), (6, 3279780), (7, 2811240), (8, 2459835), (9, 2186520), (10, 1967868), (12, 1639890), (14, 1405620), (15, 1311912), (18, 1093260), (19, 1035720), (20, 983934), (21, 937080), (24, 819945), (27, 728840), (28, 702810), (30, 655956), (35, 562248), (36, 546630), (38, 517860), (40, 491967), (42, 468540), (45, 437304), (54, 364420), (56, 351405), (57, 345240), (60, 327978), (63, 312360), (70, 281124), (72, 273315), (76, 258930), (84, 234270), (90, 218652), (95, 207144), (105, 187416), (108, 182210), (114, 172620), (120, 163989), (126, 156180), (133, 147960), (135, 145768), (137, 143640), (140, 140562), (152, 129465), (168, 117135), (171, 115080), (180, 109326), (189, 104120), (190, 103572), (210, 93708), (216, 91105), (228, 86310), (252, 78090), (266, 73980), (270, 72884), (274, 71820), (280, 70281), (285, 69048), (315, 62472), (342, 57540), (360, 54663), (378, 52060), (380, 51786), (399, 49320), (411, 47880), (420, 46854), (456, 43155), (504, 39045), (513, 38360), (532, 36990), (540, 36442), (548, 35910), (570, 34524), (630, 31236), (665, 29592), (684, 28770), (685, 28728), (756, 26030), (760, 25893), (798, 24660), (822, 23940), (840, 23427), (855, 23016), (945, 20824), (959, 20520), (1026, 19180), (1064, 18495), (1080, 18221), (1096, 17955), (1140, 17262), (1197, 16440), (1233, 15960), (1260, 15618), (1330, 14796), (1368, 14385), (1370, 14364), (1512, 13015), (1596, 12330), (1644, 11970), (1710, 11508), (1890, 10412), (1918, 10260), (1995, 9864), (2052, 9590), (2055, 9576), (2280, 8631), (2394, 8220), (2466, 7980), (2520, 7809), (2565, 7672), (2603, 7560), (2660, 7398), (2740, 7182), (2877, 6840), (3192, 6165), (3288, 5985), (3420, 5754), (3591, 5480), (3699, 5320), (3780, 5206), (3836, 5130), (3990, 4932), (4104, 4795), (4110, 4788)]