17989447

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{3299}}^1$

素因数の和:3366

約数の個数: 16

約数和(自身を含む): 22176000

約数和(自身を除く): 4186553

約数列:

[1, 7, 19, 41, 133, 287, 779, 3299, 5453, 23093, 62681, 135259, 438767, 946813, 2569921, 17989447]

約数ペア:

[(1, 17989447), (7, 2569921), (19, 946813), (41, 438767), (133, 135259), (287, 62681), (779, 23093), (3299, 5453)]