18657338

素因数分解:

$2^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{3121}}^1$

素因数の和:3198

約数の個数: 24

約数和(自身を含む): 33099444

約数和(自身を除く): 14442106

約数列:

[1, 2, 7, 14, 49, 61, 98, 122, 427, 854, 2989, 3121, 5978, 6242, 21847, 43694, 152929, 190381, 305858, 380762, 1332667, 2665334, 9328669, 18657338]

約数ペア:

[(1, 18657338), (2, 9328669), (7, 2665334), (14, 1332667), (49, 380762), (61, 305858), (98, 190381), (122, 152929), (427, 43694), (854, 21847), (2989, 6242), (3121, 5978)]