19888443

素因数分解:

$3^3\times {\mathrm{409}}^1\times {\mathrm{1801}}^1$

素因数の和:2219

約数の個数: 16

約数和(自身を含む): 29552800

約数和(自身を除く): 9664357

約数列:

[1, 3, 9, 27, 409, 1227, 1801, 3681, 5403, 11043, 16209, 48627, 736609, 2209827, 6629481, 19888443]

約数ペア:

[(1, 19888443), (3, 6629481), (9, 2209827), (27, 736609), (409, 48627), (1227, 16209), (1801, 11043), (3681, 5403)]