19726778884

素因数分解:

$2^2\times {\mathrm{607}}^1\times {\mathrm{8124703}}^1$

素因数の和:8125314

約数の個数: 12

約数和(自身を含む): 34578740224

約数和(自身を除く): 14851961340

約数列:

[1, 2, 4, 607, 1214, 2428, 8124703, 16249406, 32498812, 4931694721, 9863389442, 19726778884]

約数ペア:

[(1, 19726778884), (2, 9863389442), (4, 4931694721), (607, 32498812), (1214, 16249406), (2428, 8124703)]