18428271

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{1193}}^1$

素因数の和:1486

約数の個数: 16

約数和(自身を含む): 25981440

約数和(自身を除く): 7553169

約数列:

[1, 3, 19, 57, 271, 813, 1193, 3579, 5149, 15447, 22667, 68001, 323303, 969909, 6142757, 18428271]

約数ペア:

[(1, 18428271), (3, 6142757), (19, 969909), (57, 323303), (271, 68001), (813, 22667), (1193, 15447), (3579, 5149)]