18929523

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{491}}^1$

素因数の和:746

約数の個数: 16

約数和(自身を含む): 25788672

約数和(自身を除く): 6859149

約数列:

[1, 3, 71, 181, 213, 491, 543, 1473, 12851, 34861, 38553, 88871, 104583, 266613, 6309841, 18929523]

約数ペア:

[(1, 18929523), (3, 6309841), (71, 266613), (181, 104583), (213, 88871), (491, 38553), (543, 34861), (1473, 12851)]