19383021

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{16193}}^1$

素因数の和:16225

約数の個数: 24

約数和(自身を含む): 33683520

約数和(自身を除く): 14300499

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 16193, 48579, 113351, 145737, 307667, 340053, 923001, 1020159, 2153669, 2769003, 6461007, 19383021]

約数ペア:

[(1, 19383021), (3, 6461007), (7, 2769003), (9, 2153669), (19, 1020159), (21, 923001), (57, 340053), (63, 307667), (133, 145737), (171, 113351), (399, 48579), (1197, 16193)]