19656040

素因数分解:

$2^3\times 5^1\times {\mathrm{701}}^2$

素因数の和:1413

約数の個数: 24

約数和(自身を含む): 44289270

約数和(自身を除く): 24633230

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 701, 1402, 2804, 3505, 5608, 7010, 14020, 28040, 491401, 982802, 1965604, 2457005, 3931208, 4914010, 9828020, 19656040]

約数ペア:

[(1, 19656040), (2, 9828020), (4, 4914010), (5, 3931208), (8, 2457005), (10, 1965604), (20, 982802), (40, 491401), (701, 28040), (1402, 14020), (2804, 7010), (3505, 5608)]