19345881

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{2729}}^1$

素因数の和:2888

約数の個数: 16

約数和(自身を含む): 27518400

約数和(自身を除く): 8172519

約数列:

[1, 3, 17, 51, 139, 417, 2363, 2729, 7089, 8187, 46393, 139179, 379331, 1137993, 6448627, 19345881]

約数ペア:

[(1, 19345881), (3, 6448627), (17, 1137993), (51, 379331), (139, 139179), (417, 46393), (2363, 8187), (2729, 7089)]