19943392

素因数分解:

$2^5\times 7^3\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:133

約数の個数: 96

約数和(自身を含む): 48384000

約数和(自身を除く): 28440608

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 49, 56, 79, 92, 98, 112, 158, 161, 184, 196, 224, 316, 322, 343, 368, 392, 553, 632, 644, 686, 736, 784, 1106, 1127, 1264, 1288, 1372, 1568, 1817, 2212, 2254, 2528, 2576, 2744, 3634, 3871, 4424, 4508, 5152, 5488, 7268, 7742, 7889, 8848, 9016, 10976, 12719, 14536, 15484, 15778, 17696, 18032, 25438, 27097, 29072, 30968, 31556, 36064, 50876, 54194, 58144, 61936, 63112, 89033, 101752, 108388, 123872, 126224, 178066, 203504, 216776, 252448, 356132, 407008, 433552, 623231, 712264, 867104, 1246462, 1424528, 2492924, 2849056, 4985848, 9971696, 19943392]

約数ペア:

[(1, 19943392), (2, 9971696), (4, 4985848), (7, 2849056), (8, 2492924), (14, 1424528), (16, 1246462), (23, 867104), (28, 712264), (32, 623231), (46, 433552), (49, 407008), (56, 356132), (79, 252448), (92, 216776), (98, 203504), (112, 178066), (158, 126224), (161, 123872), (184, 108388), (196, 101752), (224, 89033), (316, 63112), (322, 61936), (343, 58144), (368, 54194), (392, 50876), (553, 36064), (632, 31556), (644, 30968), (686, 29072), (736, 27097), (784, 25438), (1106, 18032), (1127, 17696), (1264, 15778), (1288, 15484), (1372, 14536), (1568, 12719), (1817, 10976), (2212, 9016), (2254, 8848), (2528, 7889), (2576, 7742), (2744, 7268), (3634, 5488), (3871, 5152), (4424, 4508)]