19767159

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{3343}}^1$

素因数の和:3428

約数の個数: 20

約数和(自身を含む): 29942176

約数和(自身を除く): 10175017

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 3343, 5913, 10029, 30087, 90261, 244039, 270783, 732117, 2196351, 6589053, 19767159]

約数ペア:

[(1, 19767159), (3, 6589053), (9, 2196351), (27, 732117), (73, 270783), (81, 244039), (219, 90261), (657, 30087), (1971, 10029), (3343, 5913)]