19709121

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{1237}}^1$

素因数の和:1400

約数の個数: 16

約数和(自身を含む): 27097344

約数和(自身を除く): 7388223

約数列:

[1, 3, 47, 113, 141, 339, 1237, 3711, 5311, 15933, 58139, 139781, 174417, 419343, 6569707, 19709121]

約数ペア:

[(1, 19709121), (3, 6569707), (47, 419343), (113, 174417), (141, 139781), (339, 58139), (1237, 15933), (3711, 5311)]