19747651

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{8273}}^1$

素因数の和:8322

約数の個数: 16

約数和(自身を含む): 25417728

約数和(自身を除く): 5670077

約数列:

[1, 7, 11, 31, 77, 217, 341, 2387, 8273, 57911, 91003, 256463, 637021, 1795241, 2821093, 19747651]

約数ペア:

[(1, 19747651), (7, 2821093), (11, 1795241), (31, 637021), (77, 256463), (217, 91003), (341, 57911), (2387, 8273)]