19966739

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{353}}^1$

素因数の和:614

約数の個数: 16

約数和(自身を含む): 22797600

約数和(自身を除く): 2830861

約数列:

[1, 13, 19, 229, 247, 353, 2977, 4351, 4589, 6707, 56563, 80837, 87191, 1050881, 1535903, 19966739]

約数ペア:

[(1, 19966739), (13, 1535903), (19, 1050881), (229, 87191), (247, 80837), (353, 56563), (2977, 6707), (4351, 4589)]