19338993

素因数分解:

$3^4\times {\mathrm{257}}^1\times {\mathrm{929}}^1$

素因数の和:1198

約数の個数: 20

約数和(自身を含む): 29032740

約数和(自身を除く): 9693747

約数列:

[1, 3, 9, 27, 81, 257, 771, 929, 2313, 2787, 6939, 8361, 20817, 25083, 75249, 238753, 716259, 2148777, 6446331, 19338993]

約数ペア:

[(1, 19338993), (3, 6446331), (9, 2148777), (27, 716259), (81, 238753), (257, 75249), (771, 25083), (929, 20817), (2313, 8361), (2787, 6939)]