19999378

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{4943}}^1$

素因数の和:4986

約数の個数: 24

約数和(自身を含む): 36427392

約数和(自身を除く): 16428014

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 289, 578, 2023, 4046, 4943, 9886, 34601, 69202, 84031, 168062, 588217, 1176434, 1428527, 2857054, 9999689, 19999378]

約数ペア:

[(1, 19999378), (2, 9999689), (7, 2857054), (14, 1428527), (17, 1176434), (34, 588217), (119, 168062), (238, 84031), (289, 69202), (578, 34601), (2023, 9886), (4046, 4943)]