18928389

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{4549}}^1$

素因数の和:4644

約数の個数: 16

約数和(自身を含む): 26936000

約数和(自身を除く): 8007611

約数列:

[1, 3, 19, 57, 73, 219, 1387, 4161, 4549, 13647, 86431, 259293, 332077, 996231, 6309463, 18928389]

約数ペア:

[(1, 18928389), (3, 6309463), (19, 996231), (57, 332077), (73, 259293), (219, 86431), (1387, 13647), (4161, 4549)]