19865127

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{2339}}^1$

素因数の和:2510

約数の個数: 16

約数和(自身を含む): 28080000

約数和(自身を除く): 8214873

約数列:

[1, 3, 19, 57, 149, 447, 2339, 2831, 7017, 8493, 44441, 133323, 348511, 1045533, 6621709, 19865127]

約数ペア:

[(1, 19865127), (3, 6621709), (19, 1045533), (57, 348511), (149, 133323), (447, 44441), (2339, 8493), (2831, 7017)]