19190721

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{1823}}^1$

素因数の和:1877

約数の個数: 24

約数和(自身を含む): 29111040

約数和(自身を除く): 9920319

約数列:

[1, 3, 11, 29, 33, 87, 121, 319, 363, 957, 1823, 3509, 5469, 10527, 20053, 52867, 60159, 158601, 220583, 581537, 661749, 1744611, 6396907, 19190721]

約数ペア:

[(1, 19190721), (3, 6396907), (11, 1744611), (29, 661749), (33, 581537), (87, 220583), (121, 158601), (319, 60159), (363, 52867), (957, 20053), (1823, 10527), (3509, 5469)]