19864894

素因数分解:

$2^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{3323}}^1$

素因数の和:3400

約数の個数: 24

約数和(自身を含む): 35241048

約数和(自身を除く): 15376154

約数列:

[1, 2, 7, 14, 49, 61, 98, 122, 427, 854, 2989, 3323, 5978, 6646, 23261, 46522, 162827, 202703, 325654, 405406, 1418921, 2837842, 9932447, 19864894]

約数ペア:

[(1, 19864894), (2, 9932447), (7, 2837842), (14, 1418921), (49, 405406), (61, 325654), (98, 202703), (122, 162827), (427, 46522), (854, 23261), (2989, 6646), (3323, 5978)]