19180898

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{661}}^1\times {\mathrm{1319}}^1$

素因数の和:1993

約数の個数: 16

約数和(自身を含む): 31458240

約数和(自身を除く): 12277342

約数列:

[1, 2, 11, 22, 661, 1319, 1322, 2638, 7271, 14509, 14542, 29018, 871859, 1743718, 9590449, 19180898]

約数ペア:

[(1, 19180898), (2, 9590449), (11, 1743718), (22, 871859), (661, 29018), (1319, 14542), (1322, 14509), (2638, 7271)]