19987743006

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{253003}}^1$

素因数の和:253051

約数の個数: 128

約数和(自身を含む): 58292121600

約数和(自身を除く): 38304378594

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 19, 21, 22, 27, 33, 38, 42, 54, 57, 63, 66, 77, 99, 114, 126, 133, 154, 171, 189, 198, 209, 231, 266, 297, 342, 378, 399, 418, 462, 513, 594, 627, 693, 798, 1026, 1197, 1254, 1386, 1463, 1881, 2079, 2394, 2926, 3591, 3762, 4158, 4389, 5643, 7182, 8778, 11286, 13167, 26334, 39501, 79002, 253003, 506006, 759009, 1518018, 1771021, 2277027, 2783033, 3542042, 4554054, 4807057, 5313063, 5566066, 6831081, 8349099, 9614114, 10626126, 13662162, 14421171, 15939189, 16698198, 19481231, 25047297, 28842342, 31878378, 33649399, 38962462, 43263513, 47817567, 50094594, 52877627, 58443693, 67298798, 75141891, 86527026, 95635134, 100948197, 105755254, 116887386, 129790539, 150283782, 158632881, 175331079, 201896394, 259581078, 302844591, 317265762, 350662158, 370143389, 475898643, 525993237, 605689182, 740286778, 908533773, 951797286, 1051986474, 1110430167, 1427695929, 1817067546, 2220860334, 2855391858, 3331290501, 6662581002, 9993871503, 19987743006]

約数ペア:

[(1, 19987743006), (2, 9993871503), (3, 6662581002), (6, 3331290501), (7, 2855391858), (9, 2220860334), (11, 1817067546), (14, 1427695929), (18, 1110430167), (19, 1051986474), (21, 951797286), (22, 908533773), (27, 740286778), (33, 605689182), (38, 525993237), (42, 475898643), (54, 370143389), (57, 350662158), (63, 317265762), (66, 302844591), (77, 259581078), (99, 201896394), (114, 175331079), (126, 158632881), (133, 150283782), (154, 129790539), (171, 116887386), (189, 105755254), (198, 100948197), (209, 95635134), (231, 86527026), (266, 75141891), (297, 67298798), (342, 58443693), (378, 52877627), (399, 50094594), (418, 47817567), (462, 43263513), (513, 38962462), (594, 33649399), (627, 31878378), (693, 28842342), (798, 25047297), (1026, 19481231), (1197, 16698198), (1254, 15939189), (1386, 14421171), (1463, 13662162), (1881, 10626126), (2079, 9614114), (2394, 8349099), (2926, 6831081), (3591, 5566066), (3762, 5313063), (4158, 4807057), (4389, 4554054), (5643, 3542042), (7182, 2783033), (8778, 2277027), (11286, 1771021), (13167, 1518018), (26334, 759009), (39501, 506006), (79002, 253003)]