18804813

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{3203}}^1$

素因数の和:3328

約数の個数: 16

約数和(自身を含む): 26657280

約数和(自身を除く): 7852467

約数列:

[1, 3, 19, 57, 103, 309, 1957, 3203, 5871, 9609, 60857, 182571, 329909, 989727, 6268271, 18804813]

約数ペア:

[(1, 18804813), (3, 6268271), (19, 989727), (57, 329909), (103, 182571), (309, 60857), (1957, 9609), (3203, 5871)]