19001059

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{10729}}^1$

素因数の和:10770

約数の個数: 16

約数和(自身を含む): 24721920

約数和(自身を除く): 5720861

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 10729, 75103, 118019, 246767, 826133, 1727369, 2714437, 19001059]

約数ペア:

[(1, 19001059), (7, 2714437), (11, 1727369), (23, 826133), (77, 246767), (161, 118019), (253, 75103), (1771, 10729)]