19110146

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{20201}}^1$

素因数の和:20257

約数の個数: 16

約数和(自身を含む): 31999968

約数和(自身を除く): 12889822

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 20201, 40402, 222211, 444422, 868643, 1737286, 9555073, 19110146]

約数ペア:

[(1, 19110146), (2, 9555073), (11, 1737286), (22, 868643), (43, 444422), (86, 222211), (473, 40402), (946, 20201)]