18862461

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{293}}^1\times {\mathrm{311}}^1$

素因数の和:633

約数の個数: 24

約数和(自身を含む): 28619136

約数和(自身を除く): 9756675

約数列:

[1, 3, 9, 23, 69, 207, 293, 311, 879, 933, 2637, 2799, 6739, 7153, 20217, 21459, 60651, 64377, 91123, 273369, 820107, 2095829, 6287487, 18862461]

約数ペア:

[(1, 18862461), (3, 6287487), (9, 2095829), (23, 820107), (69, 273369), (207, 91123), (293, 64377), (311, 60651), (879, 21459), (933, 20217), (2637, 7153), (2799, 6739)]