18469311

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1129}}^1$

素因数の和:1199

約数の個数: 32

約数和(自身を含む): 30374400

約数和(自身を除く): 11905089

約数列:

[1, 3, 7, 19, 21, 41, 57, 123, 133, 287, 399, 779, 861, 1129, 2337, 3387, 5453, 7903, 16359, 21451, 23709, 46289, 64353, 138867, 150157, 324023, 450471, 879491, 972069, 2638473, 6156437, 18469311]

約数ペア:

[(1, 18469311), (3, 6156437), (7, 2638473), (19, 972069), (21, 879491), (41, 450471), (57, 324023), (123, 150157), (133, 138867), (287, 64353), (399, 46289), (779, 23709), (861, 21451), (1129, 16359), (2337, 7903), (3387, 5453)]