18908414

素因数分解:

$2^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{3163}}^1$

素因数の和:3240

約数の個数: 24

約数和(自身を含む): 33544728

約数和(自身を除く): 14636314

約数列:

[1, 2, 7, 14, 49, 61, 98, 122, 427, 854, 2989, 3163, 5978, 6326, 22141, 44282, 154987, 192943, 309974, 385886, 1350601, 2701202, 9454207, 18908414]

約数ペア:

[(1, 18908414), (2, 9454207), (7, 2701202), (14, 1350601), (49, 385886), (61, 309974), (98, 192943), (122, 154987), (427, 44282), (854, 22141), (2989, 6326), (3163, 5978)]