19741197

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{6763}}^1$

素因数の和:6912

約数の個数: 16

約数和(自身を含む): 30302720

約数和(自身を除く): 10561523

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 6763, 20289, 47341, 142023, 940057, 2820171, 6580399, 19741197]

約数ペア:

[(1, 19741197), (3, 6580399), (7, 2820171), (21, 940057), (139, 142023), (417, 47341), (973, 20289), (2919, 6763)]