18505543

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{797}}^1$

素因数の和:942

約数の個数: 16

約数和(自身を含む): 22063104

約数和(自身を除く): 3557561

約数列:

[1, 7, 31, 107, 217, 749, 797, 3317, 5579, 23219, 24707, 85279, 172949, 596953, 2643649, 18505543]

約数ペア:

[(1, 18505543), (7, 2643649), (31, 596953), (107, 172949), (217, 85279), (749, 24707), (797, 23219), (3317, 5579)]