18744019

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{6271}}^1$

素因数の和:6346

約数の個数: 12

約数和(自身を含む): 22165248

約数和(自身を除く): 3421229

約数列:

[1, 7, 49, 61, 427, 2989, 6271, 43897, 307279, 382531, 2677717, 18744019]

約数ペア:

[(1, 18744019), (7, 2677717), (49, 382531), (61, 307279), (427, 43897), (2989, 6271)]