19312881

素因数分解:

$3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{5081}}^1$

素因数の和:5272

約数の個数: 16

約数和(自身を含む): 29597568

約数和(自身を除く): 10284687

約数列:

[1, 3, 7, 21, 181, 543, 1267, 3801, 5081, 15243, 35567, 106701, 919661, 2758983, 6437627, 19312881]

約数ペア:

[(1, 19312881), (3, 6437627), (7, 2758983), (21, 919661), (181, 106701), (543, 35567), (1267, 15243), (3801, 5081)]