18735685884

素因数分解:

$2^2\times 3^5\times {\mathrm{31}}^1\times {\mathrm{701}}^1\times {\mathrm{887}}^1$

素因数の和:1638

約数の個数: 144

約数和(自身を含む): 50827585536

約数和(自身を除く): 32091899652

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 81, 93, 108, 124, 162, 186, 243, 279, 324, 372, 486, 558, 701, 837, 887, 972, 1116, 1402, 1674, 1774, 2103, 2511, 2661, 2804, 3348, 3548, 4206, 5022, 5322, 6309, 7533, 7983, 8412, 10044, 10644, 12618, 15066, 15966, 18927, 21731, 23949, 25236, 27497, 30132, 31932, 37854, 43462, 47898, 54994, 56781, 65193, 71847, 75708, 82491, 86924, 95796, 109988, 113562, 130386, 143694, 164982, 170343, 195579, 215541, 227124, 247473, 260772, 287388, 329964, 340686, 391158, 431082, 494946, 586737, 621787, 681372, 742419, 782316, 862164, 989892, 1173474, 1243574, 1484838, 1760211, 1865361, 2227257, 2346948, 2487148, 2969676, 3520422, 3730722, 4454514, 5280633, 5596083, 6681771, 7040844, 7461444, 8909028, 10561266, 11192166, 13363542, 16788249, 19275397, 21122532, 22384332, 26727084, 33576498, 38550794, 50364747, 57826191, 67152996, 77101588, 100729494, 115652382, 151094241, 173478573, 201458988, 231304764, 302188482, 346957146, 520435719, 604376964, 693914292, 1040871438, 1561307157, 2081742876, 3122614314, 4683921471, 6245228628, 9367842942, 18735685884]

約数ペア:

[(1, 18735685884), (2, 9367842942), (3, 6245228628), (4, 4683921471), (6, 3122614314), (9, 2081742876), (12, 1561307157), (18, 1040871438), (27, 693914292), (31, 604376964), (36, 520435719), (54, 346957146), (62, 302188482), (81, 231304764), (93, 201458988), (108, 173478573), (124, 151094241), (162, 115652382), (186, 100729494), (243, 77101588), (279, 67152996), (324, 57826191), (372, 50364747), (486, 38550794), (558, 33576498), (701, 26727084), (837, 22384332), (887, 21122532), (972, 19275397), (1116, 16788249), (1402, 13363542), (1674, 11192166), (1774, 10561266), (2103, 8909028), (2511, 7461444), (2661, 7040844), (2804, 6681771), (3348, 5596083), (3548, 5280633), (4206, 4454514), (5022, 3730722), (5322, 3520422), (6309, 2969676), (7533, 2487148), (7983, 2346948), (8412, 2227257), (10044, 1865361), (10644, 1760211), (12618, 1484838), (15066, 1243574), (15966, 1173474), (18927, 989892), (21731, 862164), (23949, 782316), (25236, 742419), (27497, 681372), (30132, 621787), (31932, 586737), (37854, 494946), (43462, 431082), (47898, 391158), (54994, 340686), (56781, 329964), (65193, 287388), (71847, 260772), (75708, 247473), (82491, 227124), (86924, 215541), (95796, 195579), (109988, 170343), (113562, 164982), (130386, 143694)]