1639729660418

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{311}}^1\times {\mathrm{18965621}}^1$

素因数の和:18966073

約数の個数: 16

約数和(自身を含む): 2485255106880

約数和(自身を除く): 845525446462

約数列:

[1, 2, 139, 278, 311, 622, 43229, 86458, 18965621, 37931242, 2636221319, 5272442638, 5898308131, 11796616262, 819864830209, 1639729660418]

約数ペア:

[(1, 1639729660418), (2, 819864830209), (139, 11796616262), (278, 5898308131), (311, 5272442638), (622, 2636221319), (43229, 37931242), (86458, 18965621)]