18204523

素因数分解:

${\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{233}}^1$

素因数の和:378

約数の個数: 16

約数和(自身を含む): 19768320

約数和(自身を除く): 1563797

約数列:

[1, 23, 43, 79, 233, 989, 1817, 3397, 5359, 10019, 18407, 78131, 230437, 423361, 791501, 18204523]

約数ペア:

[(1, 18204523), (23, 791501), (43, 423361), (79, 230437), (233, 78131), (989, 18407), (1817, 10019), (3397, 5359)]