19610140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89137}}^1$

素因数の和:89157

約数の個数: 24

約数和(自身を含む): 44925552

約数和(自身を除く): 25315412

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 89137, 178274, 356548, 445685, 891370, 980507, 1782740, 1961014, 3922028, 4902535, 9805070, 19610140]

約数ペア:

[(1, 19610140), (2, 9805070), (4, 4902535), (5, 3922028), (10, 1961014), (11, 1782740), (20, 980507), (22, 891370), (44, 445685), (55, 356548), (110, 178274), (220, 89137)]