19595289

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{733}}^1$

素因数の和:829

約数の個数: 32

約数和(自身を含む): 31943680

約数和(自身を除く): 12348391

約数列:

[1, 3, 7, 19, 21, 57, 67, 133, 201, 399, 469, 733, 1273, 1407, 2199, 3819, 5131, 8911, 13927, 15393, 26733, 41781, 49111, 97489, 147333, 292467, 343777, 933109, 1031331, 2799327, 6531763, 19595289]

約数ペア:

[(1, 19595289), (3, 6531763), (7, 2799327), (19, 1031331), (21, 933109), (57, 343777), (67, 292467), (133, 147333), (201, 97489), (399, 49111), (469, 41781), (733, 26733), (1273, 15393), (1407, 13927), (2199, 8911), (3819, 5131)]