219721054

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{826019}}^1$

素因数の和:826047

約数の個数: 16

約数和(自身を含む): 396489600

約数和(自身を除く): 176768546

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 826019, 1652038, 5782133, 11564266, 15694361, 31388722, 109860527, 219721054]

約数ペア:

[(1, 219721054), (2, 109860527), (7, 31388722), (14, 15694361), (19, 11564266), (38, 5782133), (133, 1652038), (266, 826019)]