19880105

素因数分解:

$5^1\times 7^1\times {\mathrm{677}}^1\times {\mathrm{839}}^1$

素因数の和:1528

約数の個数: 16

約数和(自身を含む): 27336960

約数和(自身を除く): 7456855

約数列:

[1, 5, 7, 35, 677, 839, 3385, 4195, 4739, 5873, 23695, 29365, 568003, 2840015, 3976021, 19880105]

約数ペア:

[(1, 19880105), (5, 3976021), (7, 2840015), (35, 568003), (677, 29365), (839, 23695), (3385, 5873), (4195, 4739)]