19828277

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{1151}}^1$

素因数の和:1288

約数の個数: 16

約数和(自身を含む): 23887872

約数和(自身を除く): 4059595

約数列:

[1, 7, 23, 107, 161, 749, 1151, 2461, 8057, 17227, 26473, 123157, 185311, 862099, 2832611, 19828277]

約数ペア:

[(1, 19828277), (7, 2832611), (23, 862099), (107, 185311), (161, 123157), (749, 26473), (1151, 17227), (2461, 8057)]