19819352

素因数分解:

$2^3\times 7^1\times {\mathrm{353917}}^1$

素因数の和:353930

約数の個数: 16

約数和(自身を含む): 42470160

約数和(自身を除く): 22650808

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 353917, 707834, 1415668, 2477419, 2831336, 4954838, 9909676, 19819352]

約数ペア:

[(1, 19819352), (2, 9909676), (4, 4954838), (7, 2831336), (8, 2477419), (14, 1415668), (28, 707834), (56, 353917)]