19969144

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1223}}^1$

素因数の和:1399

約数の個数: 32

約数和(自身を含む): 40612320

約数和(自身を除く): 20643176

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 157, 314, 628, 1223, 1256, 2041, 2446, 4082, 4892, 8164, 9784, 15899, 16328, 31798, 63596, 127192, 192011, 384022, 768044, 1536088, 2496143, 4992286, 9984572, 19969144]

約数ペア:

[(1, 19969144), (2, 9984572), (4, 4992286), (8, 2496143), (13, 1536088), (26, 768044), (52, 384022), (104, 192011), (157, 127192), (314, 63596), (628, 31798), (1223, 16328), (1256, 15899), (2041, 9784), (2446, 8164), (4082, 4892)]