18720512

素因数分解:

$2^8\times {\mathrm{73127}}^1$

素因数の和:73143

約数の個数: 18

約数和(自身を含む): 37368408

約数和(自身を除く): 18647896

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 73127, 146254, 292508, 585016, 1170032, 2340064, 4680128, 9360256, 18720512]

約数ペア:

[(1, 18720512), (2, 9360256), (4, 4680128), (8, 2340064), (16, 1170032), (32, 585016), (64, 292508), (128, 146254), (256, 73127)]