19495888

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{42017}}^1$

素因数の和:42054

約数の個数: 20

約数和(自身を含む): 39076740

約数和(自身を除く): 19580852

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 42017, 84034, 168068, 336136, 672272, 1218493, 2436986, 4873972, 9747944, 19495888]

約数ペア:

[(1, 19495888), (2, 9747944), (4, 4873972), (8, 2436986), (16, 1218493), (29, 672272), (58, 336136), (116, 168068), (232, 84034), (464, 42017)]