19799278

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{223}}^1\times {\mathrm{431}}^1$

素因数の和:759

約数の個数: 16

約数和(自身を含む): 30191616

約数和(自身を除く): 10392338

約数列:

[1, 2, 103, 206, 223, 431, 446, 862, 22969, 44393, 45938, 88786, 96113, 192226, 9899639, 19799278]

約数ペア:

[(1, 19799278), (2, 9899639), (103, 192226), (206, 96113), (223, 88786), (431, 45938), (446, 44393), (862, 22969)]