18680571

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7603}}^1$

素因数の和:7632

約数の個数: 32

約数和(自身を含む): 34065920

約数和(自身を除く): 15385349

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 7603, 22809, 53221, 68427, 98839, 159663, 205281, 296517, 478989, 691873, 889551, 1436967, 2075619, 2668653, 6226857, 18680571]

約数ペア:

[(1, 18680571), (3, 6226857), (7, 2668653), (9, 2075619), (13, 1436967), (21, 889551), (27, 691873), (39, 478989), (63, 296517), (91, 205281), (117, 159663), (189, 98839), (273, 68427), (351, 53221), (819, 22809), (2457, 7603)]