18194211

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{5449}}^1$

素因数の和:5515

約数の個数: 24

約数和(自身を含む): 30607200

約数和(自身を除く): 12412989

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 477, 1113, 3339, 5449, 16347, 38143, 49041, 114429, 288797, 343287, 866391, 2021579, 2599173, 6064737, 18194211]

約数ペア:

[(1, 18194211), (3, 6064737), (7, 2599173), (9, 2021579), (21, 866391), (53, 343287), (63, 288797), (159, 114429), (371, 49041), (477, 38143), (1113, 16347), (3339, 5449)]