18816007

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{1237}}^1$

素因数の和:1338

約数の個数: 16

約数和(自身を含む): 22462272

約数和(自身を除く): 3646265

約数列:

[1, 7, 41, 53, 287, 371, 1237, 2173, 8659, 15211, 50717, 65561, 355019, 458927, 2688001, 18816007]

約数ペア:

[(1, 18816007), (7, 2688001), (41, 458927), (53, 355019), (287, 65561), (371, 50717), (1237, 15211), (2173, 8659)]