19734994

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{2207}}^1$

素因数の和:2489

約数の個数: 16

約数和(自身を含む): 31477248

約数和(自身を除く): 11742254

約数列:

[1, 2, 17, 34, 263, 526, 2207, 4414, 4471, 8942, 37519, 75038, 580441, 1160882, 9867497, 19734994]

約数ペア:

[(1, 19734994), (2, 9867497), (17, 1160882), (34, 580441), (263, 75038), (526, 37519), (2207, 8942), (4414, 4471)]