18916310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{1493}}^1$

素因数の和:1688

約数の個数: 32

約数和(自身を含む): 39154752

約数和(自身を除く): 20238442

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 181, 362, 905, 1267, 1493, 1810, 2534, 2986, 6335, 7465, 10451, 12670, 14930, 20902, 52255, 104510, 270233, 540466, 1351165, 1891631, 2702330, 3783262, 9458155, 18916310]

約数ペア:

[(1, 18916310), (2, 9458155), (5, 3783262), (7, 2702330), (10, 1891631), (14, 1351165), (35, 540466), (70, 270233), (181, 104510), (362, 52255), (905, 20902), (1267, 14930), (1493, 12670), (1810, 10451), (2534, 7465), (2986, 6335)]