19151211

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{4789}}^1$

素因数の和:4866

約数の個数: 16

約数和(自身を含む): 26977280

約数和(自身を除く): 7826069

約数列:

[1, 3, 31, 43, 93, 129, 1333, 3999, 4789, 14367, 148459, 205927, 445377, 617781, 6383737, 19151211]

約数ペア:

[(1, 19151211), (3, 6383737), (31, 617781), (43, 445377), (93, 205927), (129, 148459), (1333, 14367), (3999, 4789)]