19081521

素因数分解:

$3^3\times {\mathrm{239}}^1\times {\mathrm{2957}}^1$

素因数の和:3205

約数の個数: 16

約数和(自身を含む): 28396800

約数和(自身を除く): 9315279

約数列:

[1, 3, 9, 27, 239, 717, 2151, 2957, 6453, 8871, 26613, 79839, 706723, 2120169, 6360507, 19081521]

約数ペア:

[(1, 19081521), (3, 6360507), (9, 2120169), (27, 706723), (239, 79839), (717, 26613), (2151, 8871), (2957, 6453)]