19868534

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{26777}}^1$

素因数の和:26839

約数の個数: 16

約数和(自身を含む): 34704288

約数和(自身を除く): 14835754

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 26777, 53554, 187439, 374878, 1419181, 2838362, 9934267, 19868534]

約数ペア:

[(1, 19868534), (2, 9934267), (7, 2838362), (14, 1419181), (53, 374878), (106, 187439), (371, 53554), (742, 26777)]