19289956

素因数分解:

$2^2\times 7^1\times {\mathrm{691}}^1\times {\mathrm{997}}^1$

素因数の和:1699

約数の個数: 24

約数和(自身を含む): 38674496

約数和(自身を除く): 19384540

約数列:

[1, 2, 4, 7, 14, 28, 691, 997, 1382, 1994, 2764, 3988, 4837, 6979, 9674, 13958, 19348, 27916, 688927, 1377854, 2755708, 4822489, 9644978, 19289956]

約数ペア:

[(1, 19289956), (2, 9644978), (4, 4822489), (7, 2755708), (14, 1377854), (28, 688927), (691, 27916), (997, 19348), (1382, 13958), (1994, 9674), (2764, 6979), (3988, 4837)]