19969578

素因数分解:

$2^1\times 3^4\times {\mathrm{123269}}^1$

素因数の和:123283

約数の個数: 20

約数和(自身を含む): 44747010

約数和(自身を除く): 24777432

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 123269, 246538, 369807, 739614, 1109421, 2218842, 3328263, 6656526, 9984789, 19969578]

約数ペア:

[(1, 19969578), (2, 9984789), (3, 6656526), (6, 3328263), (9, 2218842), (18, 1109421), (27, 739614), (54, 369807), (81, 246538), (162, 123269)]