19784002

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61441}}^1$

素因数の和:61473

約数の個数: 16

約数和(自身を含む): 35390592

約数和(自身を除く): 15606590

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 61441, 122882, 430087, 860174, 1413143, 2826286, 9892001, 19784002]

約数ペア:

[(1, 19784002), (2, 9892001), (7, 2826286), (14, 1413143), (23, 860174), (46, 430087), (161, 122882), (322, 61441)]