19428621

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{1213}}^1$

素因数の和:1516

約数の個数: 16

約数和(自身を含む): 27387840

約数和(自身を除く): 7959219

約数列:

[1, 3, 19, 57, 281, 843, 1213, 3639, 5339, 16017, 23047, 69141, 340853, 1022559, 6476207, 19428621]

約数ペア:

[(1, 19428621), (3, 6476207), (19, 1022559), (57, 340853), (281, 69141), (843, 23047), (1213, 16017), (3639, 5339)]