19921795

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{1619}}^1$

素因数の和:1754

約数の個数: 16

約数和(自身を含む): 25194240

約数和(自身を除く): 5272445

約数列:

[1, 5, 23, 107, 115, 535, 1619, 2461, 8095, 12305, 37237, 173233, 186185, 866165, 3984359, 19921795]

約数ペア:

[(1, 19921795), (5, 3984359), (23, 866165), (107, 186185), (115, 173233), (535, 37237), (1619, 12305), (2461, 8095)]