19705647

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{5209}}^1$

素因数の和:5322

約数の個数: 16

約数和(自身を含む): 28592480

約数和(自身を除く): 8886833

約数列:

[1, 3, 13, 39, 97, 291, 1261, 3783, 5209, 15627, 67717, 203151, 505273, 1515819, 6568549, 19705647]

約数ペア:

[(1, 19705647), (3, 6568549), (13, 1515819), (39, 505273), (97, 203151), (291, 67717), (1261, 15627), (3783, 5209)]