19660828

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{1699}}^1$

素因数の和:1977

約数の個数: 24

約数和(自身を含む): 37699200

約数和(自身を除く): 18038372

約数列:

[1, 2, 4, 11, 22, 44, 263, 526, 1052, 1699, 2893, 3398, 5786, 6796, 11572, 18689, 37378, 74756, 446837, 893674, 1787348, 4915207, 9830414, 19660828]

約数ペア:

[(1, 19660828), (2, 9830414), (4, 4915207), (11, 1787348), (22, 893674), (44, 446837), (263, 74756), (526, 37378), (1052, 18689), (1699, 11572), (2893, 6796), (3398, 5786)]