18054531

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{281}}^1$

素因数の和:368

約数の個数: 36

約数和(自身を含む): 29254680

約数和(自身を除く): 11200149

約数列:

[1, 3, 9, 11, 33, 59, 99, 121, 177, 281, 363, 531, 649, 843, 1089, 1947, 2529, 3091, 5841, 7139, 9273, 16579, 21417, 27819, 34001, 49737, 64251, 102003, 149211, 182369, 306009, 547107, 1641321, 2006059, 6018177, 18054531]

約数ペア:

[(1, 18054531), (3, 6018177), (9, 2006059), (11, 1641321), (33, 547107), (59, 306009), (99, 182369), (121, 149211), (177, 102003), (281, 64251), (363, 49737), (531, 34001), (649, 27819), (843, 21417), (1089, 16579), (1947, 9273), (2529, 7139), (3091, 5841)]