18815675648

素因数分解:

$2^8\times 7^1\times {\mathrm{11}}^1\times {\mathrm{977}}^2$

素因数の和:1988

約数の個数: 108

約数和(自身を含む): 46873351392

約数和(自身を除く): 28057675744

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 128, 154, 176, 224, 256, 308, 352, 448, 616, 704, 896, 977, 1232, 1408, 1792, 1954, 2464, 2816, 3908, 4928, 6839, 7816, 9856, 10747, 13678, 15632, 19712, 21494, 27356, 31264, 42988, 54712, 62528, 75229, 85976, 109424, 125056, 150458, 171952, 218848, 250112, 300916, 343904, 437696, 601832, 687808, 875392, 954529, 1203664, 1375616, 1750784, 1909058, 2407328, 2751232, 3818116, 4814656, 6681703, 7636232, 9629312, 10499819, 13363406, 15272464, 19258624, 20999638, 26726812, 30544928, 41999276, 53453624, 61089856, 73498733, 83998552, 106907248, 122179712, 146997466, 167997104, 213814496, 244359424, 293994932, 335994208, 427628992, 587989864, 671988416, 855257984, 1175979728, 1343976832, 1710515968, 2351959456, 2687953664, 4703918912, 9407837824, 18815675648]

約数ペア:

[(1, 18815675648), (2, 9407837824), (4, 4703918912), (7, 2687953664), (8, 2351959456), (11, 1710515968), (14, 1343976832), (16, 1175979728), (22, 855257984), (28, 671988416), (32, 587989864), (44, 427628992), (56, 335994208), (64, 293994932), (77, 244359424), (88, 213814496), (112, 167997104), (128, 146997466), (154, 122179712), (176, 106907248), (224, 83998552), (256, 73498733), (308, 61089856), (352, 53453624), (448, 41999276), (616, 30544928), (704, 26726812), (896, 20999638), (977, 19258624), (1232, 15272464), (1408, 13363406), (1792, 10499819), (1954, 9629312), (2464, 7636232), (2816, 6681703), (3908, 4814656), (4928, 3818116), (6839, 2751232), (7816, 2407328), (9856, 1909058), (10747, 1750784), (13678, 1375616), (15632, 1203664), (19712, 954529), (21494, 875392), (27356, 687808), (31264, 601832), (42988, 437696), (54712, 343904), (62528, 300916), (75229, 250112), (85976, 218848), (109424, 171952), (125056, 150458)]