19379876

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{68239}}^1$

素因数の和:68314

約数の個数: 12

約数和(自身を含む): 34392960

約数和(自身を除く): 15013084

約数列:

[1, 2, 4, 71, 142, 284, 68239, 136478, 272956, 4844969, 9689938, 19379876]

約数ペア:

[(1, 19379876), (2, 9689938), (4, 4844969), (71, 272956), (142, 136478), (284, 68239)]