19611998

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{37861}}^1$

素因数の和:37907

約数の個数: 16

約数和(自身を含む): 34530144

約数和(自身を除く): 14918146

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 37861, 75722, 265027, 530054, 1400857, 2801714, 9805999, 19611998]

約数ペア:

[(1, 19611998), (2, 9805999), (7, 2801714), (14, 1400857), (37, 530054), (74, 265027), (259, 75722), (518, 37861)]