19489119

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{21727}}^1$

素因数の和:21766

約数の個数: 16

約数和(自身を含む): 29202432

約数和(自身を除く): 9713313

約数列:

[1, 3, 13, 23, 39, 69, 299, 897, 21727, 65181, 282451, 499721, 847353, 1499163, 6496373, 19489119]

約数ペア:

[(1, 19489119), (3, 6496373), (13, 1499163), (23, 847353), (39, 499721), (69, 282451), (299, 65181), (897, 21727)]