18225613

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1787}}^1$

素因数の和:1872

約数の個数: 16

約数和(自身を含む): 21970944

約数和(自身を除く): 3745331

約数列:

[1, 7, 31, 47, 217, 329, 1457, 1787, 10199, 12509, 55397, 83989, 387779, 587923, 2603659, 18225613]

約数ペア:

[(1, 18225613), (7, 2603659), (31, 587923), (47, 387779), (217, 83989), (329, 55397), (1457, 12509), (1787, 10199)]