19714941

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{16981}}^1$

素因数の和:17033

約数の個数: 16

約数和(自身を含む): 29888320

約数和(自身を除く): 10173379

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 16981, 50943, 152829, 458487, 730183, 2190549, 6571647, 19714941]

約数ペア:

[(1, 19714941), (3, 6571647), (9, 2190549), (27, 730183), (43, 458487), (129, 152829), (387, 50943), (1161, 16981)]