19639529

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{2017}}^1$

素因数の和:2144

約数の個数: 16

約数和(自身を含む): 24409728

約数和(自身を除く): 4770199

約数列:

[1, 7, 13, 91, 107, 749, 1391, 2017, 9737, 14119, 26221, 183547, 215819, 1510733, 2805647, 19639529]

約数ペア:

[(1, 19639529), (7, 2805647), (13, 1510733), (91, 215819), (107, 183547), (749, 26221), (1391, 14119), (2017, 9737)]