19935753

素因数分解:

$3^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1\times {\mathrm{433}}^1$

素因数の和:688

約数の個数: 16

約数和(自身を含む): 27081600

約数和(自身を除く): 7145847

約数列:

[1, 3, 103, 149, 309, 433, 447, 1299, 15347, 44599, 46041, 64517, 133797, 193551, 6645251, 19935753]

約数ペア:

[(1, 19935753), (3, 6645251), (103, 193551), (149, 133797), (309, 64517), (433, 46041), (447, 44599), (1299, 15347)]