18205257112

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{2633}}^1$

素因数の和:2801

約数の個数: 128

約数和(自身を含む): 41510154240

約数和(自身を除く): 23304897128

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 47, 56, 71, 74, 94, 142, 148, 188, 259, 284, 296, 329, 376, 497, 518, 568, 658, 994, 1036, 1316, 1739, 1988, 2072, 2627, 2632, 2633, 3337, 3478, 3976, 5254, 5266, 6674, 6956, 10508, 10532, 12173, 13348, 13912, 18389, 18431, 21016, 21064, 23359, 24346, 26696, 36778, 36862, 46718, 48692, 73556, 73724, 93436, 97384, 97421, 123469, 123751, 147112, 147448, 186872, 186943, 194842, 246938, 247502, 373886, 389684, 493876, 495004, 681947, 747772, 779368, 864283, 866257, 987752, 990008, 1308601, 1363894, 1495544, 1728566, 1732514, 2617202, 2727788, 3457132, 3465028, 4578787, 5234404, 5455576, 6914264, 6916891, 6930056, 8786321, 9157574, 10468808, 13833782, 17572642, 18315148, 27667564, 32051509, 35145284, 36630296, 48418237, 55335128, 61504247, 64103018, 70290568, 96836474, 123008494, 128206036, 193672948, 246016988, 256412072, 325093877, 387345896, 492033976, 650187754, 1300375508, 2275657139, 2600751016, 4551314278, 9102628556, 18205257112]

約数ペア:

[(1, 18205257112), (2, 9102628556), (4, 4551314278), (7, 2600751016), (8, 2275657139), (14, 1300375508), (28, 650187754), (37, 492033976), (47, 387345896), (56, 325093877), (71, 256412072), (74, 246016988), (94, 193672948), (142, 128206036), (148, 123008494), (188, 96836474), (259, 70290568), (284, 64103018), (296, 61504247), (329, 55335128), (376, 48418237), (497, 36630296), (518, 35145284), (568, 32051509), (658, 27667564), (994, 18315148), (1036, 17572642), (1316, 13833782), (1739, 10468808), (1988, 9157574), (2072, 8786321), (2627, 6930056), (2632, 6916891), (2633, 6914264), (3337, 5455576), (3478, 5234404), (3976, 4578787), (5254, 3465028), (5266, 3457132), (6674, 2727788), (6956, 2617202), (10508, 1732514), (10532, 1728566), (12173, 1495544), (13348, 1363894), (13912, 1308601), (18389, 990008), (18431, 987752), (21016, 866257), (21064, 864283), (23359, 779368), (24346, 747772), (26696, 681947), (36778, 495004), (36862, 493876), (46718, 389684), (48692, 373886), (73556, 247502), (73724, 246938), (93436, 194842), (97384, 186943), (97421, 186872), (123469, 147448), (123751, 147112)]