18679539

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{967}}^1$

素因数の和:1154

約数の個数: 16

約数和(自身を含む): 25648128

約数和(自身を除く): 6968589

約数列:

[1, 3, 47, 137, 141, 411, 967, 2901, 6439, 19317, 45449, 132479, 136347, 397437, 6226513, 18679539]

約数ペア:

[(1, 18679539), (3, 6226513), (47, 397437), (137, 136347), (141, 132479), (411, 45449), (967, 19317), (2901, 6439)]