19054399

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:259

約数の個数: 32

約数和(自身を含む): 25280640

約数和(自身を除く): 6226241

約数列:

[1, 7, 13, 17, 91, 109, 113, 119, 221, 763, 791, 1417, 1469, 1547, 1853, 1921, 9919, 10283, 12317, 12971, 13447, 24089, 24973, 86219, 160121, 168623, 174811, 209389, 1120847, 1465723, 2722057, 19054399]

約数ペア:

[(1, 19054399), (7, 2722057), (13, 1465723), (17, 1120847), (91, 209389), (109, 174811), (113, 168623), (119, 160121), (221, 86219), (763, 24973), (791, 24089), (1417, 13447), (1469, 12971), (1547, 12317), (1853, 10283), (1921, 9919)]