19690396

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{447509}}^1$

素因数の和:447524

約数の個数: 12

約数和(自身を含む): 37590840

約数和(自身を除く): 17900444

約数列:

[1, 2, 4, 11, 22, 44, 447509, 895018, 1790036, 4922599, 9845198, 19690396]

約数ペア:

[(1, 19690396), (2, 9845198), (4, 4922599), (11, 1790036), (22, 895018), (44, 447509)]