15820838

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{11789}}^1$

素因数の和:11863

約数の個数: 16

約数和(自身を含む): 26315280

約数和(自身を除く): 10494442

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 11789, 23578, 129679, 259358, 719129, 1438258, 7910419, 15820838]

約数ペア:

[(1, 15820838), (2, 7910419), (11, 1438258), (22, 719129), (61, 259358), (122, 129679), (671, 23578), (1342, 11789)]