19991427372

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{81869}}^1$

素因数の和:81925

約数の個数: 192

約数和(自身を含む): 66019968000

約数和(自身を除く): 46028540628

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 19, 21, 27, 28, 34, 36, 38, 42, 51, 54, 57, 63, 68, 76, 84, 102, 108, 114, 119, 126, 133, 153, 171, 189, 204, 228, 238, 252, 266, 306, 323, 342, 357, 378, 399, 459, 476, 513, 532, 612, 646, 684, 714, 756, 798, 918, 969, 1026, 1071, 1197, 1292, 1428, 1596, 1836, 1938, 2052, 2142, 2261, 2394, 2907, 3213, 3591, 3876, 4284, 4522, 4788, 5814, 6426, 6783, 7182, 8721, 9044, 11628, 12852, 13566, 14364, 17442, 20349, 27132, 34884, 40698, 61047, 81396, 81869, 122094, 163738, 244188, 245607, 327476, 491214, 573083, 736821, 982428, 1146166, 1391773, 1473642, 1555511, 1719249, 2210463, 2292332, 2783546, 2947284, 3111022, 3438498, 4175319, 4420926, 4666533, 5157747, 5567092, 6222044, 6876996, 8350638, 8841852, 9333066, 9742411, 10315494, 10888577, 12525957, 13999599, 15473241, 16701276, 18666132, 19484822, 20630988, 21777154, 25051914, 26443687, 27999198, 29227233, 30946482, 32665731, 37577871, 38969644, 41998797, 43554308, 50103828, 52887374, 55998396, 58454466, 61892964, 65331462, 75155742, 79331061, 83997594, 87681699, 97997193, 105774748, 116908932, 130662924, 150311484, 158662122, 167995188, 175363398, 185105809, 195994386, 237993183, 263045097, 293991579, 317324244, 350726796, 370211618, 391988772, 475986366, 526090194, 555317427, 587983158, 713979549, 740423236, 951972732, 1052180388, 1110634854, 1175966316, 1427959098, 1665952281, 2221269708, 2855918196, 3331904562, 4997856843, 6663809124, 9995713686, 19991427372]

約数ペア:

[(1, 19991427372), (2, 9995713686), (3, 6663809124), (4, 4997856843), (6, 3331904562), (7, 2855918196), (9, 2221269708), (12, 1665952281), (14, 1427959098), (17, 1175966316), (18, 1110634854), (19, 1052180388), (21, 951972732), (27, 740423236), (28, 713979549), (34, 587983158), (36, 555317427), (38, 526090194), (42, 475986366), (51, 391988772), (54, 370211618), (57, 350726796), (63, 317324244), (68, 293991579), (76, 263045097), (84, 237993183), (102, 195994386), (108, 185105809), (114, 175363398), (119, 167995188), (126, 158662122), (133, 150311484), (153, 130662924), (171, 116908932), (189, 105774748), (204, 97997193), (228, 87681699), (238, 83997594), (252, 79331061), (266, 75155742), (306, 65331462), (323, 61892964), (342, 58454466), (357, 55998396), (378, 52887374), (399, 50103828), (459, 43554308), (476, 41998797), (513, 38969644), (532, 37577871), (612, 32665731), (646, 30946482), (684, 29227233), (714, 27999198), (756, 26443687), (798, 25051914), (918, 21777154), (969, 20630988), (1026, 19484822), (1071, 18666132), (1197, 16701276), (1292, 15473241), (1428, 13999599), (1596, 12525957), (1836, 10888577), (1938, 10315494), (2052, 9742411), (2142, 9333066), (2261, 8841852), (2394, 8350638), (2907, 6876996), (3213, 6222044), (3591, 5567092), (3876, 5157747), (4284, 4666533), (4522, 4420926), (4788, 4175319), (5814, 3438498), (6426, 3111022), (6783, 2947284), (7182, 2783546), (8721, 2292332), (9044, 2210463), (11628, 1719249), (12852, 1555511), (13566, 1473642), (14364, 1391773), (17442, 1146166), (20349, 982428), (27132, 736821), (34884, 573083), (40698, 491214), (61047, 327476), (81396, 245607), (81869, 244188), (122094, 163738)]