18926679

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{1489}}^1$

素因数の和:1734

約数の個数: 16

約数和(自身を含む): 26700800

約数和(自身を除く): 7774121

約数列:

[1, 3, 19, 57, 223, 669, 1489, 4237, 4467, 12711, 28291, 84873, 332047, 996141, 6308893, 18926679]

約数ペア:

[(1, 18926679), (3, 6308893), (19, 996141), (57, 332047), (223, 84873), (669, 28291), (1489, 12711), (4237, 4467)]