19500656

素因数分解:

$2^4\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1109}}^1$

素因数の和:1281

約数の個数: 40

約数和(自身を含む): 43494240

約数和(自身を除く): 23993584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 157, 314, 628, 1099, 1109, 1256, 2198, 2218, 2512, 4396, 4436, 7763, 8792, 8872, 15526, 17584, 17744, 31052, 62104, 124208, 174113, 348226, 696452, 1218791, 1392904, 2437582, 2785808, 4875164, 9750328, 19500656]

約数ペア:

[(1, 19500656), (2, 9750328), (4, 4875164), (7, 2785808), (8, 2437582), (14, 1392904), (16, 1218791), (28, 696452), (56, 348226), (112, 174113), (157, 124208), (314, 62104), (628, 31052), (1099, 17744), (1109, 17584), (1256, 15526), (2198, 8872), (2218, 8792), (2512, 7763), (4396, 4436)]