19901376

素因数分解:

$2^6\times 3^4\times {\mathrm{11}}^1\times {\mathrm{349}}^1$

素因数の和:384

約数の個数: 140

約数和(自身を含む): 64541400

約数和(自身を除く): 44640024

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 32, 33, 36, 44, 48, 54, 64, 66, 72, 81, 88, 96, 99, 108, 132, 144, 162, 176, 192, 198, 216, 264, 288, 297, 324, 349, 352, 396, 432, 528, 576, 594, 648, 698, 704, 792, 864, 891, 1047, 1056, 1188, 1296, 1396, 1584, 1728, 1782, 2094, 2112, 2376, 2592, 2792, 3141, 3168, 3564, 3839, 4188, 4752, 5184, 5584, 6282, 6336, 7128, 7678, 8376, 9423, 9504, 11168, 11517, 12564, 14256, 15356, 16752, 18846, 19008, 22336, 23034, 25128, 28269, 28512, 30712, 33504, 34551, 37692, 46068, 50256, 56538, 57024, 61424, 67008, 69102, 75384, 92136, 100512, 103653, 113076, 122848, 138204, 150768, 184272, 201024, 207306, 226152, 245696, 276408, 301536, 310959, 368544, 414612, 452304, 552816, 603072, 621918, 737088, 829224, 904608, 1105632, 1243836, 1658448, 1809216, 2211264, 2487672, 3316896, 4975344, 6633792, 9950688, 19901376]

約数ペア:

[(1, 19901376), (2, 9950688), (3, 6633792), (4, 4975344), (6, 3316896), (8, 2487672), (9, 2211264), (11, 1809216), (12, 1658448), (16, 1243836), (18, 1105632), (22, 904608), (24, 829224), (27, 737088), (32, 621918), (33, 603072), (36, 552816), (44, 452304), (48, 414612), (54, 368544), (64, 310959), (66, 301536), (72, 276408), (81, 245696), (88, 226152), (96, 207306), (99, 201024), (108, 184272), (132, 150768), (144, 138204), (162, 122848), (176, 113076), (192, 103653), (198, 100512), (216, 92136), (264, 75384), (288, 69102), (297, 67008), (324, 61424), (349, 57024), (352, 56538), (396, 50256), (432, 46068), (528, 37692), (576, 34551), (594, 33504), (648, 30712), (698, 28512), (704, 28269), (792, 25128), (864, 23034), (891, 22336), (1047, 19008), (1056, 18846), (1188, 16752), (1296, 15356), (1396, 14256), (1584, 12564), (1728, 11517), (1782, 11168), (2094, 9504), (2112, 9423), (2376, 8376), (2592, 7678), (2792, 7128), (3141, 6336), (3168, 6282), (3564, 5584), (3839, 5184), (4188, 4752)]