1816492040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4128391}}^1$

素因数の和:4128413

約数の個数: 32

約数和(自身を含む): 4458663360

約数和(自身を除く): 2642171320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 4128391, 8256782, 16513564, 20641955, 33027128, 41283910, 45412301, 82567820, 90824602, 165135640, 181649204, 227061505, 363298408, 454123010, 908246020, 1816492040]

約数ペア:

[(1, 1816492040), (2, 908246020), (4, 454123010), (5, 363298408), (8, 227061505), (10, 181649204), (11, 165135640), (20, 90824602), (22, 82567820), (40, 45412301), (44, 41283910), (55, 33027128), (88, 20641955), (110, 16513564), (220, 8256782), (440, 4128391)]