18816243

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1\times {\mathrm{449}}^1$

素因数の和:742

約数の個数: 16

約数和(自身を含む): 25668000

約数和(自身を除く): 6851757

約数列:

[1, 3, 61, 183, 229, 449, 687, 1347, 13969, 27389, 41907, 82167, 102821, 308463, 6272081, 18816243]

約数ペア:

[(1, 18816243), (3, 6272081), (61, 308463), (183, 102821), (229, 82167), (449, 41907), (687, 27389), (1347, 13969)]