18888979690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{4027501}}^1$

素因数の和:4027582

約数の個数: 32

約数和(自身を含む): 39437299584

約数和(自身を除く): 20548319894

約数列:

[1, 2, 5, 7, 10, 14, 35, 67, 70, 134, 335, 469, 670, 938, 2345, 4690, 4027501, 8055002, 20137505, 28192507, 40275010, 56385014, 140962535, 269842567, 281925070, 539685134, 1349212835, 1888897969, 2698425670, 3777795938, 9444489845, 18888979690]

約数ペア:

[(1, 18888979690), (2, 9444489845), (5, 3777795938), (7, 2698425670), (10, 1888897969), (14, 1349212835), (35, 539685134), (67, 281925070), (70, 269842567), (134, 140962535), (335, 56385014), (469, 40275010), (670, 28192507), (938, 20137505), (2345, 8055002), (4690, 4027501)]