18678804972

素因数分解:

$2^2\times 3^1\times {\mathrm{1556567081}}^1$

素因数の和:1556567088

約数の個数: 12

約数和(自身を含む): 43583878296

約数和(自身を除く): 24905073324

約数列:

[1, 2, 3, 4, 6, 12, 1556567081, 3113134162, 4669701243, 6226268324, 9339402486, 18678804972]

約数ペア:

[(1, 18678804972), (2, 9339402486), (3, 6226268324), (4, 4669701243), (6, 3113134162), (12, 1556567081)]