19576204

素因数分解:

$2^2\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:537

約数の個数: 24

約数和(自身を含む): 34891920

約数和(自身を除く): 15315716

約数列:

[1, 2, 4, 137, 139, 257, 274, 278, 514, 548, 556, 1028, 19043, 35209, 35723, 38086, 70418, 71446, 76172, 140836, 142892, 4894051, 9788102, 19576204]

約数ペア:

[(1, 19576204), (2, 9788102), (4, 4894051), (137, 142892), (139, 140836), (257, 76172), (274, 71446), (278, 70418), (514, 38086), (548, 35723), (556, 35209), (1028, 19043)]