18638914

素因数分解:

$2^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{2137}}^1$

素因数の和:2242

約数の個数: 24

約数和(自身を含む): 32903820

約数和(自身を除く): 14264906

約数列:

[1, 2, 7, 14, 49, 89, 98, 178, 623, 1246, 2137, 4274, 4361, 8722, 14959, 29918, 104713, 190193, 209426, 380386, 1331351, 2662702, 9319457, 18638914]

約数ペア:

[(1, 18638914), (2, 9319457), (7, 2662702), (14, 1331351), (49, 380386), (89, 209426), (98, 190193), (178, 104713), (623, 29918), (1246, 14959), (2137, 8722), (4274, 4361)]