19310139

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1217}}^1$

素因数の和:1307

約数の個数: 24

約数和(自身を含む): 29261232

約数和(自身を除く): 9951093

約数列:

[1, 3, 9, 41, 43, 123, 129, 369, 387, 1217, 1763, 3651, 5289, 10953, 15867, 49897, 52331, 149691, 156993, 449073, 470979, 2145571, 6436713, 19310139]

約数ペア:

[(1, 19310139), (3, 6436713), (9, 2145571), (41, 470979), (43, 449073), (123, 156993), (129, 149691), (369, 52331), (387, 49897), (1217, 15867), (1763, 10953), (3651, 5289)]