19940165

素因数分解:

$5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{4349}}^1$

素因数の和:4492

約数の個数: 16

約数和(自身を含む): 27561600

約数和(自身を除く): 7621435

約数列:

[1, 5, 7, 35, 131, 655, 917, 4349, 4585, 21745, 30443, 152215, 569719, 2848595, 3988033, 19940165]

約数ペア:

[(1, 19940165), (5, 3988033), (7, 2848595), (35, 569719), (131, 152215), (655, 30443), (917, 21745), (4349, 4585)]