18722392

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{180023}}^1$

素因数の和:180042

約数の個数: 16

約数和(自身を含む): 37805040

約数和(自身を除く): 19082648

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 180023, 360046, 720092, 1440184, 2340299, 4680598, 9361196, 18722392]

約数ペア:

[(1, 18722392), (2, 9361196), (4, 4680598), (8, 2340299), (13, 1440184), (26, 720092), (52, 360046), (104, 180023)]