18840285

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{14437}}^1$

素因数の和:14477

約数の個数: 24

約数和(自身を含む): 33784920

約数和(自身を除く): 14944635

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 14437, 43311, 72185, 129933, 216555, 418673, 649665, 1256019, 2093365, 3768057, 6280095, 18840285]

約数ペア:

[(1, 18840285), (3, 6280095), (5, 3768057), (9, 2093365), (15, 1256019), (29, 649665), (45, 418673), (87, 216555), (145, 129933), (261, 72185), (435, 43311), (1305, 14437)]