20181394881

素因数分解:

$3^2\times {\mathrm{14479}}^1\times {\mathrm{154871}}^1$

素因数の和:169356

約数の個数: 12

約数和(自身を含む): 29153105280

約数和(自身を除く): 8971710399

約数列:

[1, 3, 9, 14479, 43437, 130311, 154871, 464613, 1393839, 2242377209, 6727131627, 20181394881]

約数ペア:

[(1, 20181394881), (3, 6727131627), (9, 2242377209), (14479, 1393839), (43437, 464613), (130311, 154871)]