19178847

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{5903}}^1$

素因数の和:5947

約数の個数: 18

約数和(自身を含む): 29242512

約数和(自身を除く): 10063665

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 3249, 5903, 17709, 53127, 112157, 336471, 1009413, 2130983, 6392949, 19178847]

約数ペア:

[(1, 19178847), (3, 6392949), (9, 2130983), (19, 1009413), (57, 336471), (171, 112157), (361, 53127), (1083, 17709), (3249, 5903)]