19994626

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1\times {\mathrm{353}}^1$

素因数の和:705

約数の個数: 16

約数和(自身を含む): 30449664

約数和(自身を除く): 10455038

約数列:

[1, 2, 127, 223, 254, 353, 446, 706, 28321, 44831, 56642, 78719, 89662, 157438, 9997313, 19994626]

約数ペア:

[(1, 19994626), (2, 9997313), (127, 157438), (223, 89662), (254, 78719), (353, 56642), (446, 44831), (706, 28321)]