18517047

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^2$

素因数の和:227

約数の個数: 24

約数和(自身を含む): 26699904

約数和(自身を除く): 8182857

約数列:

[1, 3, 23, 43, 69, 79, 129, 237, 989, 1817, 2967, 3397, 5451, 6241, 10191, 18723, 78131, 143543, 234393, 268363, 430629, 805089, 6172349, 18517047]

約数ペア:

[(1, 18517047), (3, 6172349), (23, 805089), (43, 430629), (69, 268363), (79, 234393), (129, 143543), (237, 78131), (989, 18723), (1817, 10191), (2967, 6241), (3397, 5451)]