18195885

素因数分解:

$3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{3779}}^1$

素因数の和:3897

約数の個数: 24

約数和(自身を含む): 31842720

約数和(自身を除く): 13646835

約数列:

[1, 3, 5, 9, 15, 45, 107, 321, 535, 963, 1605, 3779, 4815, 11337, 18895, 34011, 56685, 170055, 404353, 1213059, 2021765, 3639177, 6065295, 18195885]

約数ペア:

[(1, 18195885), (3, 6065295), (5, 3639177), (9, 2021765), (15, 1213059), (45, 404353), (107, 170055), (321, 56685), (535, 34011), (963, 18895), (1605, 11337), (3779, 4815)]