18750319

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1217}}^1$

素因数の和:1326

約数の個数: 16

約数和(自身を含む): 22450176

約数和(自身を除く): 3699857

約数列:

[1, 7, 31, 71, 217, 497, 1217, 2201, 8519, 15407, 37727, 86407, 264089, 604849, 2678617, 18750319]

約数ペア:

[(1, 18750319), (7, 2678617), (31, 604849), (71, 264089), (217, 86407), (497, 37727), (1217, 15407), (2201, 8519)]