19222895

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{313}}^1$

素因数の和:562

約数の個数: 16

約数和(自身を含む): 23602752

約数和(自身を除く): 4379857

約数列:

[1, 5, 71, 173, 313, 355, 865, 1565, 12283, 22223, 54149, 61415, 111115, 270745, 3844579, 19222895]

約数ペア:

[(1, 19222895), (5, 3844579), (71, 270745), (173, 111115), (313, 61415), (355, 54149), (865, 22223), (1565, 12283)]