18490774

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{1019}}^1$

素因数の和:1275

約数の個数: 16

約数和(自身を含む): 28543680

約数和(自身を除く): 10052906

約数列:

[1, 2, 43, 86, 211, 422, 1019, 2038, 9073, 18146, 43817, 87634, 215009, 430018, 9245387, 18490774]

約数ペア:

[(1, 18490774), (2, 9245387), (43, 430018), (86, 215009), (211, 87634), (422, 43817), (1019, 18146), (2038, 9073)]