18772641

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{13633}}^1$

素因数の和:13662

約数の個数: 20

約数和(自身を含む): 29694852

約数和(自身を除く): 10922211

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 13633, 40899, 122697, 231761, 368091, 695283, 1104273, 2085849, 6257547, 18772641]

約数ペア:

[(1, 18772641), (3, 6257547), (9, 2085849), (17, 1104273), (27, 695283), (51, 368091), (81, 231761), (153, 122697), (459, 40899), (1377, 13633)]