19439782

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1\times {\mathrm{607}}^1$

素因数の和:915

約数の個数: 16

約数和(自身を含む): 29767680

約数和(自身を除く): 10327898

約数列:

[1, 2, 67, 134, 239, 478, 607, 1214, 16013, 32026, 40669, 81338, 145073, 290146, 9719891, 19439782]

約数ペア:

[(1, 19439782), (2, 9719891), (67, 290146), (134, 145073), (239, 81338), (478, 40669), (607, 32026), (1214, 16013)]