18005605

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{1009}}^1$

素因数の和:1140

約数の個数: 16

約数和(自身を含む): 22397760

約数和(自身を除く): 4392155

約数列:

[1, 5, 43, 83, 215, 415, 1009, 3569, 5045, 17845, 43387, 83747, 216935, 418735, 3601121, 18005605]

約数ペア:

[(1, 18005605), (5, 3601121), (43, 418735), (83, 216935), (215, 83747), (415, 43387), (1009, 17845), (3569, 5045)]