19255239

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{2671}}^1$

素因数の和:2772

約数の個数: 20

約数和(自身を含む): 29098080

約数和(自身を除く): 9842841

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2403, 2671, 7209, 8013, 24039, 72117, 216351, 237719, 713157, 2139471, 6418413, 19255239]

約数ペア:

[(1, 19255239), (3, 6418413), (9, 2139471), (27, 713157), (81, 237719), (89, 216351), (267, 72117), (801, 24039), (2403, 8013), (2671, 7209)]