19771766

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61403}}^1$

素因数の和:61435

約数の個数: 16

約数和(自身を含む): 35368704

約数和(自身を除く): 15596938

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 61403, 122806, 429821, 859642, 1412269, 2824538, 9885883, 19771766]

約数ペア:

[(1, 19771766), (2, 9885883), (7, 2824538), (14, 1412269), (23, 859642), (46, 429821), (161, 122806), (322, 61403)]