19400439

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{2549}}^1$

素因数の和:2654

約数の個数: 16

約数和(自身を含む): 26928000

約数和(自身を除く): 7527561

約数列:

[1, 3, 43, 59, 129, 177, 2537, 2549, 7611, 7647, 109607, 150391, 328821, 451173, 6466813, 19400439]

約数ペア:

[(1, 19400439), (3, 6466813), (43, 451173), (59, 328821), (129, 150391), (177, 109607), (2537, 7647), (2549, 7611)]