19270467

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{3259}}^1$

素因数の和:3344

約数の個数: 20

約数和(自身を含む): 29190040

約数和(自身を除く): 9919573

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 3259, 5913, 9777, 29331, 87993, 237907, 263979, 713721, 2141163, 6423489, 19270467]

約数ペア:

[(1, 19270467), (3, 6423489), (9, 2141163), (27, 713721), (73, 263979), (81, 237907), (219, 87993), (657, 29331), (1971, 9777), (3259, 5913)]