19400176

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{7723}}^1$

素因数の和:7888

約数の個数: 20

約数和(自身を含む): 37832152

約数和(自身を除く): 18431976

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 7723, 15446, 30892, 61784, 123568, 1212511, 2425022, 4850044, 9700088, 19400176]

約数ペア:

[(1, 19400176), (2, 9700088), (4, 4850044), (8, 2425022), (16, 1212511), (157, 123568), (314, 61784), (628, 30892), (1256, 15446), (2512, 7723)]