19965666

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{7793}}^1$

素因数の和:7866

約数の個数: 32

約数和(自身を含む): 46389888

約数和(自身を除く): 26424222

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 61, 122, 183, 366, 427, 854, 1281, 2562, 7793, 15586, 23379, 46758, 54551, 109102, 163653, 327306, 475373, 950746, 1426119, 2852238, 3327611, 6655222, 9982833, 19965666]

約数ペア:

[(1, 19965666), (2, 9982833), (3, 6655222), (6, 3327611), (7, 2852238), (14, 1426119), (21, 950746), (42, 475373), (61, 327306), (122, 163653), (183, 109102), (366, 54551), (427, 46758), (854, 23379), (1281, 15586), (2562, 7793)]