19896808

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{60661}}^1$

素因数の和:60708

約数の個数: 16

約数和(自身を含む): 38217060

約数和(自身を除く): 18320252

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 60661, 121322, 242644, 485288, 2487101, 4974202, 9948404, 19896808]

約数ペア:

[(1, 19896808), (2, 9948404), (4, 4974202), (8, 2487101), (41, 485288), (82, 242644), (164, 121322), (328, 60661)]