18894609

素因数分解:

$3^2\times {\mathrm{431}}^1\times {\mathrm{4871}}^1$

素因数の和:5308

約数の個数: 12

約数和(自身を含む): 27361152

約数和(自身を除く): 8466543

約数列:

[1, 3, 9, 431, 1293, 3879, 4871, 14613, 43839, 2099401, 6298203, 18894609]

約数ペア:

[(1, 18894609), (3, 6298203), (9, 2099401), (431, 43839), (1293, 14613), (3879, 4871)]