19914092

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{499}}^1\times {\mathrm{907}}^1$

素因数の和:1421

約数の個数: 24

約数和(自身を含む): 38136000

約数和(自身を除く): 18221908

約数列:

[1, 2, 4, 11, 22, 44, 499, 907, 998, 1814, 1996, 3628, 5489, 9977, 10978, 19954, 21956, 39908, 452593, 905186, 1810372, 4978523, 9957046, 19914092]

約数ペア:

[(1, 19914092), (2, 9957046), (4, 4978523), (11, 1810372), (22, 905186), (44, 452593), (499, 39908), (907, 21956), (998, 19954), (1814, 10978), (1996, 9977), (3628, 5489)]