19819538

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{353}}^1\times {\mathrm{419}}^1$

素因数の和:841

約数の個数: 16

約数和(自身を含む): 30330720

約数和(自身を除く): 10511182

約数列:

[1, 2, 67, 134, 353, 419, 706, 838, 23651, 28073, 47302, 56146, 147907, 295814, 9909769, 19819538]

約数ペア:

[(1, 19819538), (2, 9909769), (67, 295814), (134, 147907), (353, 56146), (419, 47302), (706, 28073), (838, 23651)]