19906254

素因数分解:

$2^1\times 3^2\times {\mathrm{809}}^1\times {\mathrm{1367}}^1$

素因数の和:2184

約数の個数: 24

約数和(自身を含む): 43215120

約数和(自身を除く): 23308866

約数列:

[1, 2, 3, 6, 9, 18, 809, 1367, 1618, 2427, 2734, 4101, 4854, 7281, 8202, 12303, 14562, 24606, 1105903, 2211806, 3317709, 6635418, 9953127, 19906254]

約数ペア:

[(1, 19906254), (2, 9953127), (3, 6635418), (6, 3317709), (9, 2211806), (18, 1105903), (809, 24606), (1367, 14562), (1618, 12303), (2427, 8202), (2734, 7281), (4101, 4854)]