18020398

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{2269}}^1$

素因数の和:2320

約数の個数: 24

約数和(自身を含む): 31135320

約数和(自身を除く): 13114922

約数列:

[1, 2, 11, 19, 22, 38, 209, 361, 418, 722, 2269, 3971, 4538, 7942, 24959, 43111, 49918, 86222, 474221, 819109, 948442, 1638218, 9010199, 18020398]

約数ペア:

[(1, 18020398), (2, 9010199), (11, 1638218), (19, 948442), (22, 819109), (38, 474221), (209, 86222), (361, 49918), (418, 43111), (722, 24959), (2269, 7942), (3971, 4538)]