19996054

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{24809}}^1$

素因数の和:24855

約数の個数: 16

約数和(自身を含む): 33344640

約数和(自身を除く): 13348586

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 24809, 49618, 322517, 645034, 769079, 1538158, 9998027, 19996054]

約数ペア:

[(1, 19996054), (2, 9998027), (13, 1538158), (26, 769079), (31, 645034), (62, 322517), (403, 49618), (806, 24809)]