19916769

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{4423}}^1$

素因数の和:4524

約数の個数: 16

約数和(自身を含む): 28313600

約数和(自身を除く): 8396831

約数列:

[1, 3, 19, 57, 79, 237, 1501, 4423, 4503, 13269, 84037, 252111, 349417, 1048251, 6638923, 19916769]

約数ペア:

[(1, 19916769), (3, 6638923), (19, 1048251), (57, 349417), (79, 252111), (237, 84037), (1501, 13269), (4423, 4503)]