18043904

素因数分解:

$2^{10}\times {\mathrm{67}}^1\times {\mathrm{263}}^1$

素因数の和:350

約数の個数: 44

約数和(自身を含む): 36747744

約数和(自身を除く): 18703840

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 128, 134, 256, 263, 268, 512, 526, 536, 1024, 1052, 1072, 2104, 2144, 4208, 4288, 8416, 8576, 16832, 17152, 17621, 33664, 34304, 35242, 67328, 68608, 70484, 134656, 140968, 269312, 281936, 563872, 1127744, 2255488, 4510976, 9021952, 18043904]

約数ペア:

[(1, 18043904), (2, 9021952), (4, 4510976), (8, 2255488), (16, 1127744), (32, 563872), (64, 281936), (67, 269312), (128, 140968), (134, 134656), (256, 70484), (263, 68608), (268, 67328), (512, 35242), (526, 34304), (536, 33664), (1024, 17621), (1052, 17152), (1072, 16832), (2104, 8576), (2144, 8416), (4208, 4288)]