18847339

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{631}}^1$

素因数の和:906

約数の個数: 16

約数和(自身を含む): 22934016

約数和(自身を除く): 4086677

約数列:

[1, 7, 17, 119, 251, 631, 1757, 4267, 4417, 10727, 29869, 75089, 158381, 1108667, 2692477, 18847339]

約数ペア:

[(1, 18847339), (7, 2692477), (17, 1108667), (119, 158381), (251, 75089), (631, 29869), (1757, 10727), (4267, 4417)]