19439871

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{8297}}^1$

素因数の和:8382

約数の個数: 16

約数和(自身を含む): 28677888

約数和(自身を除く): 9238017

約数列:

[1, 3, 11, 33, 71, 213, 781, 2343, 8297, 24891, 91267, 273801, 589087, 1767261, 6479957, 19439871]

約数ペア:

[(1, 19439871), (3, 6479957), (11, 1767261), (33, 589087), (71, 273801), (213, 91267), (781, 24891), (2343, 8297)]