19715817

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{2221}}^1$

素因数の和:2504

約数の個数: 16

約数和(自身を含む): 28797120

約数和(自身を除く): 9081303

約数列:

[1, 3, 11, 33, 269, 807, 2221, 2959, 6663, 8877, 24431, 73293, 597449, 1792347, 6571939, 19715817]

約数ペア:

[(1, 19715817), (3, 6571939), (11, 1792347), (33, 597449), (269, 73293), (807, 24431), (2221, 8877), (2959, 6663)]