19855612

素因数分解:

$2^2\times 7^1\times {\mathrm{317}}^1\times {\mathrm{2237}}^1$

素因数の和:2565

約数の個数: 24

約数和(自身を含む): 39854304

約数和(自身を除く): 19998692

約数列:

[1, 2, 4, 7, 14, 28, 317, 634, 1268, 2219, 2237, 4438, 4474, 8876, 8948, 15659, 31318, 62636, 709129, 1418258, 2836516, 4963903, 9927806, 19855612]

約数ペア:

[(1, 19855612), (2, 9927806), (4, 4963903), (7, 2836516), (14, 1418258), (28, 709129), (317, 62636), (634, 31318), (1268, 15659), (2219, 8948), (2237, 8876), (4438, 4474)]