18717411

素因数分解:

$3^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{491}}^1$

素因数の和:722

約数の個数: 16

約数和(自身を含む): 25458048

約数和(自身を除く): 6740637

約数列:

[1, 3, 97, 131, 291, 393, 491, 1473, 12707, 38121, 47627, 64321, 142881, 192963, 6239137, 18717411]

約数ペア:

[(1, 18717411), (3, 6239137), (97, 192963), (131, 142881), (291, 64321), (393, 47627), (491, 38121), (1473, 12707)]