19999004

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{294103}}^1$

素因数の和:294124

約数の個数: 12

約数和(自身を含む): 37057104

約数和(自身を除く): 17058100

約数列:

[1, 2, 4, 17, 34, 68, 294103, 588206, 1176412, 4999751, 9999502, 19999004]

約数ペア:

[(1, 19999004), (2, 9999502), (4, 4999751), (17, 1176412), (34, 588206), (68, 294103)]