19189305

素因数分解:

$3^4\times 5^1\times {\mathrm{47381}}^1$

素因数の和:47398

約数の個数: 20

約数和(自身を含む): 34399332

約数和(自身を除く): 15210027

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 47381, 142143, 236905, 426429, 710715, 1279287, 2132145, 3837861, 6396435, 19189305]

約数ペア:

[(1, 19189305), (3, 6396435), (5, 3837861), (9, 2132145), (15, 1279287), (27, 710715), (45, 426429), (81, 236905), (135, 142143), (405, 47381)]