19691211

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{479}}^1$

素因数の和:746

約数の個数: 16

約数和(自身を含む): 26818560

約数和(自身を除く): 7127349

約数列:

[1, 3, 71, 193, 213, 479, 579, 1437, 13703, 34009, 41109, 92447, 102027, 277341, 6563737, 19691211]

約数ペア:

[(1, 19691211), (3, 6563737), (71, 277341), (193, 102027), (213, 92447), (479, 41109), (579, 34009), (1437, 13703)]