19842767

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{3331}}^1$

素因数の和:3398

約数の個数: 16

約数和(自身を含む): 24310272

約数和(自身を除く): 4467505

約数列:

[1, 7, 23, 37, 161, 259, 851, 3331, 5957, 23317, 76613, 123247, 536291, 862729, 2834681, 19842767]

約数ペア:

[(1, 19842767), (7, 2834681), (23, 862729), (37, 536291), (161, 123247), (259, 76613), (851, 23317), (3331, 5957)]