18740491

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{4967}}^1$

素因数の和:4999

約数の個数: 16

約数和(自身を含む): 23846400

約数和(自身を除く): 5105909

約数列:

[1, 7, 11, 49, 77, 343, 539, 3773, 4967, 34769, 54637, 243383, 382459, 1703681, 2677213, 18740491]

約数ペア:

[(1, 18740491), (7, 2677213), (11, 1703681), (49, 382459), (77, 243383), (343, 54637), (539, 34769), (3773, 4967)]