18348001

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:349

約数の個数: 24

約数和(自身を含む): 22588416

約数和(自身を除く): 4240415

約数列:

[1, 7, 31, 47, 49, 217, 257, 329, 1457, 1519, 1799, 2303, 7967, 10199, 12079, 12593, 55769, 71393, 84553, 374449, 390383, 591871, 2621143, 18348001]

約数ペア:

[(1, 18348001), (7, 2621143), (31, 591871), (47, 390383), (49, 374449), (217, 84553), (257, 71393), (329, 55769), (1457, 12593), (1519, 12079), (1799, 10199), (2303, 7967)]