18871443

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{56671}}^1$

素因数の和:56714

約数の個数: 12

約数和(自身を含む): 27995968

約数和(自身を除く): 9124525

約数列:

[1, 3, 9, 37, 111, 333, 56671, 170013, 510039, 2096827, 6290481, 18871443]

約数ペア:

[(1, 18871443), (3, 6290481), (9, 2096827), (37, 510039), (111, 170013), (333, 56671)]