19515412

素因数分解:

$2^2\times 7^1\times {\mathrm{269}}^1\times {\mathrm{2591}}^1$

素因数の和:2871

約数の個数: 24

約数和(自身を含む): 39191040

約数和(自身を除く): 19675628

約数列:

[1, 2, 4, 7, 14, 28, 269, 538, 1076, 1883, 2591, 3766, 5182, 7532, 10364, 18137, 36274, 72548, 696979, 1393958, 2787916, 4878853, 9757706, 19515412]

約数ペア:

[(1, 19515412), (2, 9757706), (4, 4878853), (7, 2787916), (14, 1393958), (28, 696979), (269, 72548), (538, 36274), (1076, 18137), (1883, 10364), (2591, 7532), (3766, 5182)]