19481709

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{11617}}^1$

素因数の和:11676

約数の個数: 16

約数和(自身を含む): 28626752

約数和(自身を除く): 9145043

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 11617, 34851, 151021, 453063, 499531, 1498593, 6493903, 19481709]

約数ペア:

[(1, 19481709), (3, 6493903), (13, 1498593), (39, 499531), (43, 453063), (129, 151021), (559, 34851), (1677, 11617)]