18042368

素因数分解:

$2^9\times {\mathrm{131}}^1\times {\mathrm{269}}^1$

素因数の和:418

約数の個数: 40

約数和(自身を含む): 36459720

約数和(自身を除く): 18417352

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 131, 256, 262, 269, 512, 524, 538, 1048, 1076, 2096, 2152, 4192, 4304, 8384, 8608, 16768, 17216, 33536, 34432, 35239, 67072, 68864, 70478, 137728, 140956, 281912, 563824, 1127648, 2255296, 4510592, 9021184, 18042368]

約数ペア:

[(1, 18042368), (2, 9021184), (4, 4510592), (8, 2255296), (16, 1127648), (32, 563824), (64, 281912), (128, 140956), (131, 137728), (256, 70478), (262, 68864), (269, 67072), (512, 35239), (524, 34432), (538, 33536), (1048, 17216), (1076, 16768), (2096, 8608), (2152, 8384), (4192, 4304)]