2189228030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19902073}}^1$

素因数の和:19902091

約数の個数: 16

約数和(自身を含む): 4298847984

約数和(自身を除く): 2109619954

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 19902073, 39804146, 99510365, 199020730, 218922803, 437845606, 1094614015, 2189228030]

約数ペア:

[(1, 2189228030), (2, 1094614015), (5, 437845606), (10, 218922803), (11, 199020730), (22, 99510365), (55, 39804146), (110, 19902073)]