19119159

素因数分解:

$3^4\times {\mathrm{193}}^1\times {\mathrm{1223}}^1$

素因数の和:1428

約数の個数: 20

約数和(自身を含む): 28732176

約数和(自身を除く): 9613017

約数列:

[1, 3, 9, 27, 81, 193, 579, 1223, 1737, 3669, 5211, 11007, 15633, 33021, 99063, 236039, 708117, 2124351, 6373053, 19119159]

約数ペア:

[(1, 19119159), (3, 6373053), (9, 2124351), (27, 708117), (81, 236039), (193, 99063), (579, 33021), (1223, 15633), (1737, 11007), (3669, 5211)]