18705129

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{1747}}^1$

素因数の和:1876

約数の個数: 16

約数和(自身を含む): 25842432

約数和(自身を除く): 7137303

約数列:

[1, 3, 43, 83, 129, 249, 1747, 3569, 5241, 10707, 75121, 145001, 225363, 435003, 6235043, 18705129]

約数ペア:

[(1, 18705129), (3, 6235043), (43, 435003), (83, 225363), (129, 145001), (249, 75121), (1747, 10707), (3569, 5241)]