20191893618

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{258870431}}^1$

素因数の和:258870449

約数の個数: 16

約数和(自身を含む): 43490232576

約数和(自身を除く): 23298338958

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 258870431, 517740862, 776611293, 1553222586, 3365315603, 6730631206, 10095946809, 20191893618]

約数ペア:

[(1, 20191893618), (2, 10095946809), (3, 6730631206), (6, 3365315603), (13, 1553222586), (26, 776611293), (39, 517740862), (78, 258870431)]