19929008

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{113233}}^1$

素因数の和:113252

約数の個数: 20

約数和(自身を含む): 42123048

約数和(自身を除く): 22194040

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 113233, 226466, 452932, 905864, 1245563, 1811728, 2491126, 4982252, 9964504, 19929008]

約数ペア:

[(1, 19929008), (2, 9964504), (4, 4982252), (8, 2491126), (11, 1811728), (16, 1245563), (22, 905864), (44, 452932), (88, 226466), (176, 113233)]