19746658

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1\times {\mathrm{379}}^1$

素因数の和:729

約数の個数: 16

約数和(自身を含む): 30096000

約数和(自身を除く): 10349342

約数列:

[1, 2, 109, 218, 239, 379, 478, 758, 26051, 41311, 52102, 82622, 90581, 181162, 9873329, 19746658]

約数ペア:

[(1, 19746658), (2, 9873329), (109, 181162), (218, 90581), (239, 82622), (379, 52102), (478, 41311), (758, 26051)]