19618774

素因数分解:

$2^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{5171}}^1$

素因数の和:5451

約数の個数: 16

約数和(自身を含む): 33762816

約数和(自身を除く): 14144042

約数列:

[1, 2, 7, 14, 271, 542, 1897, 3794, 5171, 10342, 36197, 72394, 1401341, 2802682, 9809387, 19618774]

約数ペア:

[(1, 19618774), (2, 9809387), (7, 2802682), (14, 1401341), (271, 72394), (542, 36197), (1897, 10342), (3794, 5171)]