19886236

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{4937}}^1$

素因数の和:5013

約数の個数: 24

約数和(自身を含む): 37331280

約数和(自身を除く): 17445044

約数列:

[1, 2, 4, 19, 38, 53, 76, 106, 212, 1007, 2014, 4028, 4937, 9874, 19748, 93803, 187606, 261661, 375212, 523322, 1046644, 4971559, 9943118, 19886236]

約数ペア:

[(1, 19886236), (2, 9943118), (4, 4971559), (19, 1046644), (38, 523322), (53, 375212), (76, 261661), (106, 187606), (212, 93803), (1007, 19748), (2014, 9874), (4028, 4937)]