19993256

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{563}}^1$

素因数の和:785

約数の個数: 32

約数和(自身を含む): 39389760

約数和(自身を除く): 19396504

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 193, 386, 563, 772, 1126, 1544, 2252, 4439, 4504, 8878, 12949, 17756, 25898, 35512, 51796, 103592, 108659, 217318, 434636, 869272, 2499157, 4998314, 9996628, 19993256]

約数ペア:

[(1, 19993256), (2, 9996628), (4, 4998314), (8, 2499157), (23, 869272), (46, 434636), (92, 217318), (184, 108659), (193, 103592), (386, 51796), (563, 35512), (772, 25898), (1126, 17756), (1544, 12949), (2252, 8878), (4439, 4504)]