19972924

素因数分解:

$2^2\times {\mathrm{23}}^2\times {\mathrm{9439}}^1$

素因数の和:9489

約数の個数: 18

約数和(自身を含む): 36542240

約数和(自身を除く): 16569316

約数列:

[1, 2, 4, 23, 46, 92, 529, 1058, 2116, 9439, 18878, 37756, 217097, 434194, 868388, 4993231, 9986462, 19972924]

約数ペア:

[(1, 19972924), (2, 9986462), (4, 4993231), (23, 868388), (46, 434194), (92, 217097), (529, 37756), (1058, 18878), (2116, 9439)]