19786897

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1327}}^1$

素因数の和:1408

約数の個数: 16

約数和(自身を含む): 22607872

約数和(自身を除く): 2820975

約数列:

[1, 13, 31, 37, 403, 481, 1147, 1327, 14911, 17251, 41137, 49099, 534781, 638287, 1522069, 19786897]

約数ペア:

[(1, 19786897), (13, 1522069), (31, 638287), (37, 534781), (403, 49099), (481, 41137), (1147, 17251), (1327, 14911)]