19203987

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{1621}}^1$

素因数の和:1994

約数の個数: 16

約数和(自身を含む): 28028160

約数和(自身を除く): 8824173

約数列:

[1, 3, 11, 33, 359, 1077, 1621, 3949, 4863, 11847, 17831, 53493, 581939, 1745817, 6401329, 19203987]

約数ペア:

[(1, 19203987), (3, 6401329), (11, 1745817), (33, 581939), (359, 53493), (1077, 17831), (1621, 11847), (3949, 4863)]