18655744

素因数分解:

$2^9\times {\mathrm{83}}^1\times {\mathrm{439}}^1$

素因数の和:540

約数の個数: 40

約数和(自身を含む): 37810080

約数和(自身を除く): 19154336

約数列:

[1, 2, 4, 8, 16, 32, 64, 83, 128, 166, 256, 332, 439, 512, 664, 878, 1328, 1756, 2656, 3512, 5312, 7024, 10624, 14048, 21248, 28096, 36437, 42496, 56192, 72874, 112384, 145748, 224768, 291496, 582992, 1165984, 2331968, 4663936, 9327872, 18655744]

約数ペア:

[(1, 18655744), (2, 9327872), (4, 4663936), (8, 2331968), (16, 1165984), (32, 582992), (64, 291496), (83, 224768), (128, 145748), (166, 112384), (256, 72874), (332, 56192), (439, 42496), (512, 36437), (664, 28096), (878, 21248), (1328, 14048), (1756, 10624), (2656, 7024), (3512, 5312)]