18243567

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 29652480

約数和(自身を除く): 11408913

約数列:

[1, 3, 9, 17, 43, 47, 51, 59, 129, 141, 153, 177, 387, 423, 531, 731, 799, 1003, 2021, 2193, 2397, 2537, 2773, 3009, 6063, 6579, 7191, 7611, 8319, 9027, 18189, 22833, 24957, 34357, 43129, 47141, 103071, 119239, 129387, 141423, 309213, 357717, 388161, 424269, 1073151, 2027063, 6081189, 18243567]

約数ペア:

[(1, 18243567), (3, 6081189), (9, 2027063), (17, 1073151), (43, 424269), (47, 388161), (51, 357717), (59, 309213), (129, 141423), (141, 129387), (153, 119239), (177, 103071), (387, 47141), (423, 43129), (531, 34357), (731, 24957), (799, 22833), (1003, 18189), (2021, 9027), (2193, 8319), (2397, 7611), (2537, 7191), (2773, 6579), (3009, 6063)]