19380404

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{809}}^1$

素因数の和:979

約数の個数: 24

約数和(自身を含む): 34904520

約数和(自身を除く): 15524116

約数列:

[1, 2, 4, 53, 106, 113, 212, 226, 452, 809, 1618, 3236, 5989, 11978, 23956, 42877, 85754, 91417, 171508, 182834, 365668, 4845101, 9690202, 19380404]

約数ペア:

[(1, 19380404), (2, 9690202), (4, 4845101), (53, 365668), (106, 182834), (113, 171508), (212, 91417), (226, 85754), (452, 42877), (809, 23956), (1618, 11978), (3236, 5989)]