18712570

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{81359}}^1$

素因数の和:81389

約数の個数: 16

約数和(自身を含む): 35147520

約数和(自身を除く): 16434950

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 81359, 162718, 406795, 813590, 1871257, 3742514, 9356285, 18712570]

約数ペア:

[(1, 18712570), (2, 9356285), (5, 3742514), (10, 1871257), (23, 813590), (46, 406795), (115, 162718), (230, 81359)]