19639861

素因数分解:

${\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{353}}^1$

素因数の和:476

約数の個数: 16

約数和(自身を含む): 21409920

約数和(自身を除く): 1770059

約数列:

[1, 23, 41, 59, 353, 943, 1357, 2419, 8119, 14473, 20827, 55637, 332879, 479021, 853907, 19639861]

約数ペア:

[(1, 19639861), (23, 853907), (41, 479021), (59, 332879), (353, 55637), (943, 20827), (1357, 14473), (2419, 8119)]