19216215

素因数分解:

$3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{3779}}^1$

素因数の和:3903

約数の個数: 24

約数和(自身を含む): 33611760

約数和(自身を除く): 14395545

約数列:

[1, 3, 5, 9, 15, 45, 113, 339, 565, 1017, 1695, 3779, 5085, 11337, 18895, 34011, 56685, 170055, 427027, 1281081, 2135135, 3843243, 6405405, 19216215]

約数ペア:

[(1, 19216215), (3, 6405405), (5, 3843243), (9, 2135135), (15, 1281081), (45, 427027), (113, 170055), (339, 56685), (565, 34011), (1017, 18895), (1695, 11337), (3779, 5085)]