19511145

素因数分解:

$3^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1279}}^1$

素因数の和:1406

約数の個数: 32

約数和(自身を含む): 35020800

約数和(自身を除く): 15509655

約数列:

[1, 3, 5, 9, 15, 27, 45, 113, 135, 339, 565, 1017, 1279, 1695, 3051, 3837, 5085, 6395, 11511, 15255, 19185, 34533, 57555, 144527, 172665, 433581, 722635, 1300743, 2167905, 3902229, 6503715, 19511145]

約数ペア:

[(1, 19511145), (3, 6503715), (5, 3902229), (9, 2167905), (15, 1300743), (27, 722635), (45, 433581), (113, 172665), (135, 144527), (339, 57555), (565, 34533), (1017, 19185), (1279, 15255), (1695, 11511), (3051, 6395), (3837, 5085)]