19894105

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{51673}}^1$

素因数の和:51696

約数の個数: 16

約数和(自身を含む): 29764224

約数和(自身を除く): 9870119

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 51673, 258365, 361711, 568403, 1808555, 2842015, 3978821, 19894105]

約数ペア:

[(1, 19894105), (5, 3978821), (7, 2842015), (11, 1808555), (35, 568403), (55, 361711), (77, 258365), (385, 51673)]