18738489

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{81119}}^1$

素因数の和:81140

約数の個数: 16

約数和(自身を含む): 31150080

約数和(自身を除く): 12411591

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 81119, 243357, 567833, 892309, 1703499, 2676927, 6246163, 18738489]

約数ペア:

[(1, 18738489), (3, 6246163), (7, 2676927), (11, 1703499), (21, 892309), (33, 567833), (77, 243357), (231, 81119)]