19265972

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{2531}}^1$

素因数の和:2719

約数の個数: 24

約数和(自身を含む): 37007712

約数和(自身を除く): 17741740

約数列:

[1, 2, 4, 11, 22, 44, 173, 346, 692, 1903, 2531, 3806, 5062, 7612, 10124, 27841, 55682, 111364, 437863, 875726, 1751452, 4816493, 9632986, 19265972]

約数ペア:

[(1, 19265972), (2, 9632986), (4, 4816493), (11, 1751452), (22, 875726), (44, 437863), (173, 111364), (346, 55682), (692, 27841), (1903, 10124), (2531, 7612), (3806, 5062)]