18667977

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{3079}}^1$

素因数の和:3172

約数の個数: 16

約数和(自身を含む): 26019840

約数和(自身を除く): 7351863

約数列:

[1, 3, 43, 47, 129, 141, 2021, 3079, 6063, 9237, 132397, 144713, 397191, 434139, 6222659, 18667977]

約数ペア:

[(1, 18667977), (3, 6222659), (43, 434139), (47, 397191), (129, 144713), (141, 132397), (2021, 9237), (3079, 6063)]