18689851

素因数分解:

${\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{269}}^1$

素因数の和:414

約数の個数: 16

約数和(自身を含む): 20489760

約数和(自身を除く): 1799909

約数列:

[1, 17, 61, 67, 269, 1037, 1139, 4087, 4573, 16409, 18023, 69479, 278953, 306391, 1099403, 18689851]

約数ペア:

[(1, 18689851), (17, 1099403), (61, 306391), (67, 278953), (269, 69479), (1037, 18023), (1139, 16409), (4087, 4573)]