19993814

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{313}}^1$

素因数の和:416

約数の個数: 24

約数和(自身を含む): 32461320

約数和(自身を除く): 12467506

約数列:

[1, 2, 19, 38, 41, 82, 313, 626, 779, 1558, 1681, 3362, 5947, 11894, 12833, 25666, 31939, 63878, 243827, 487654, 526153, 1052306, 9996907, 19993814]

約数ペア:

[(1, 19993814), (2, 9996907), (19, 1052306), (38, 526153), (41, 487654), (82, 243827), (313, 63878), (626, 31939), (779, 25666), (1558, 12833), (1681, 11894), (3362, 5947)]