18814641664

素因数分解:

$2^9\times 7^1\times {\mathrm{13}}^1\times {\mathrm{403817}}^1$

素因数の和:403855

約数の個数: 80

約数和(自身を含む): 46267851168

約数和(自身を除く): 27453209504

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 256, 364, 416, 448, 512, 728, 832, 896, 1456, 1664, 1792, 2912, 3328, 3584, 5824, 6656, 11648, 23296, 46592, 403817, 807634, 1615268, 2826719, 3230536, 5249621, 5653438, 6461072, 10499242, 11306876, 12922144, 20998484, 22613752, 25844288, 36747347, 41996968, 45227504, 51688576, 73494694, 83993936, 90455008, 103377152, 146989388, 167987872, 180910016, 206754304, 293978776, 335975744, 361820032, 587957552, 671951488, 723640064, 1175915104, 1343902976, 1447280128, 2351830208, 2687805952, 4703660416, 9407320832, 18814641664]

約数ペア:

[(1, 18814641664), (2, 9407320832), (4, 4703660416), (7, 2687805952), (8, 2351830208), (13, 1447280128), (14, 1343902976), (16, 1175915104), (26, 723640064), (28, 671951488), (32, 587957552), (52, 361820032), (56, 335975744), (64, 293978776), (91, 206754304), (104, 180910016), (112, 167987872), (128, 146989388), (182, 103377152), (208, 90455008), (224, 83993936), (256, 73494694), (364, 51688576), (416, 45227504), (448, 41996968), (512, 36747347), (728, 25844288), (832, 22613752), (896, 20998484), (1456, 12922144), (1664, 11306876), (1792, 10499242), (2912, 6461072), (3328, 5653438), (3584, 5249621), (5824, 3230536), (6656, 2826719), (11648, 1615268), (23296, 807634), (46592, 403817)]