19748109860

素因数分解:

$2^2\times 5^1\times {\mathrm{3637}}^1\times {\mathrm{271489}}^1$

素因数の和:275135

約数の個数: 24

約数和(自身を含む): 41482586040

約数和(自身を除く): 21734476180

約数列:

[1, 2, 4, 5, 10, 20, 3637, 7274, 14548, 18185, 36370, 72740, 271489, 542978, 1085956, 1357445, 2714890, 5429780, 987405493, 1974810986, 3949621972, 4937027465, 9874054930, 19748109860]

約数ペア:

[(1, 19748109860), (2, 9874054930), (4, 4937027465), (5, 3949621972), (10, 1974810986), (20, 987405493), (3637, 5429780), (7274, 2714890), (14548, 1357445), (18185, 1085956), (36370, 542978), (72740, 271489)]