19287785

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{2677}}^1$

素因数の和:2824

約数の個数: 16

約数和(自身を含む): 25451712

約数和(自身を除く): 6163927

約数列:

[1, 5, 11, 55, 131, 655, 1441, 2677, 7205, 13385, 29447, 147235, 350687, 1753435, 3857557, 19287785]

約数ペア:

[(1, 19287785), (5, 3857557), (11, 1753435), (55, 350687), (131, 147235), (655, 29447), (1441, 13385), (2677, 7205)]