19960276

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{17387}}^1$

素因数の和:17439

約数の個数: 24

約数和(自身を含む): 40896576

約数和(自身を除く): 20936300

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 17387, 34774, 69548, 121709, 243418, 486836, 712867, 1425734, 2851468, 4990069, 9980138, 19960276]

約数ペア:

[(1, 19960276), (2, 9980138), (4, 4990069), (7, 2851468), (14, 1425734), (28, 712867), (41, 486836), (82, 243418), (164, 121709), (287, 69548), (574, 34774), (1148, 17387)]