1998550872

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{4523}}^1$

素因数の和:4590

約数の個数: 144

約数和(自身を含む): 6049990440

約数和(自身を除く): 4051439568

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 19, 24, 34, 36, 38, 51, 57, 68, 72, 76, 102, 114, 136, 152, 153, 171, 204, 228, 306, 323, 342, 361, 408, 456, 612, 646, 684, 722, 969, 1083, 1224, 1292, 1368, 1444, 1938, 2166, 2584, 2888, 2907, 3249, 3876, 4332, 4523, 5814, 6137, 6498, 7752, 8664, 9046, 11628, 12274, 12996, 13569, 18092, 18411, 23256, 24548, 25992, 27138, 36184, 36822, 40707, 49096, 54276, 55233, 73644, 76891, 81414, 85937, 108552, 110466, 147288, 153782, 162828, 171874, 220932, 230673, 257811, 307564, 325656, 343748, 441864, 461346, 515622, 615128, 687496, 692019, 773433, 922692, 1031244, 1384038, 1460929, 1546866, 1632803, 1845384, 2062488, 2768076, 2921858, 3093732, 3265606, 4382787, 4898409, 5536152, 5843716, 6187464, 6531212, 8765574, 9796818, 11687432, 13062424, 13148361, 14695227, 17531148, 19593636, 26296722, 27757651, 29390454, 35062296, 39187272, 52593444, 55515302, 58780908, 83272953, 105186888, 111030604, 117561816, 166545906, 222061208, 249818859, 333091812, 499637718, 666183624, 999275436, 1998550872]

約数ペア:

[(1, 1998550872), (2, 999275436), (3, 666183624), (4, 499637718), (6, 333091812), (8, 249818859), (9, 222061208), (12, 166545906), (17, 117561816), (18, 111030604), (19, 105186888), (24, 83272953), (34, 58780908), (36, 55515302), (38, 52593444), (51, 39187272), (57, 35062296), (68, 29390454), (72, 27757651), (76, 26296722), (102, 19593636), (114, 17531148), (136, 14695227), (152, 13148361), (153, 13062424), (171, 11687432), (204, 9796818), (228, 8765574), (306, 6531212), (323, 6187464), (342, 5843716), (361, 5536152), (408, 4898409), (456, 4382787), (612, 3265606), (646, 3093732), (684, 2921858), (722, 2768076), (969, 2062488), (1083, 1845384), (1224, 1632803), (1292, 1546866), (1368, 1460929), (1444, 1384038), (1938, 1031244), (2166, 922692), (2584, 773433), (2888, 692019), (2907, 687496), (3249, 615128), (3876, 515622), (4332, 461346), (4523, 441864), (5814, 343748), (6137, 325656), (6498, 307564), (7752, 257811), (8664, 230673), (9046, 220932), (11628, 171874), (12274, 162828), (12996, 153782), (13569, 147288), (18092, 110466), (18411, 108552), (23256, 85937), (24548, 81414), (25992, 76891), (27138, 73644), (36184, 55233), (36822, 54276), (40707, 49096)]