18528231

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{2351}}^1$

素因数の和:2462

約数の個数: 16

約数和(自身を含む): 25740288

約数和(自身を除く): 7212057

約数列:

[1, 3, 37, 71, 111, 213, 2351, 2627, 7053, 7881, 86987, 166921, 260961, 500763, 6176077, 18528231]

約数ペア:

[(1, 18528231), (3, 6176077), (37, 500763), (71, 260961), (111, 166921), (213, 86987), (2351, 7881), (2627, 7053)]