19499687

素因数分解:

${\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:314

約数の個数: 16

約数和(自身を含む): 20921280

約数和(自身を除く): 1421593

約数列:

[1, 29, 61, 73, 151, 1769, 2117, 4379, 4453, 9211, 11023, 129137, 267119, 319667, 672403, 19499687]

約数ペア:

[(1, 19499687), (29, 672403), (61, 319667), (73, 267119), (151, 129137), (1769, 11023), (2117, 9211), (4379, 4453)]