19118198

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37783}}^1$

素因数の和:37819

約数の個数: 16

約数和(自身を含む): 32645376

約数和(自身を除く): 13527178

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 37783, 75566, 415613, 831226, 869009, 1738018, 9559099, 19118198]

約数ペア:

[(1, 19118198), (2, 9559099), (11, 1738018), (22, 869009), (23, 831226), (46, 415613), (253, 75566), (506, 37783)]