19976576

素因数分解:

$2^7\times {\mathrm{239}}^1\times {\mathrm{653}}^1$

素因数の和:906

約数の個数: 32

約数和(自身を含む): 40024800

約数和(自身を除く): 20048224

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 239, 478, 653, 956, 1306, 1912, 2612, 3824, 5224, 7648, 10448, 15296, 20896, 30592, 41792, 83584, 156067, 312134, 624268, 1248536, 2497072, 4994144, 9988288, 19976576]

約数ペア:

[(1, 19976576), (2, 9988288), (4, 4994144), (8, 2497072), (16, 1248536), (32, 624268), (64, 312134), (128, 156067), (239, 83584), (478, 41792), (653, 30592), (956, 20896), (1306, 15296), (1912, 10448), (2612, 7648), (3824, 5224)]