18307279

素因数分解:

${\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:462

約数の個数: 16

約数和(自身を含む): 20079360

約数和(自身を除く): 1772081

約数列:

[1, 19, 41, 71, 331, 779, 1349, 2911, 6289, 13571, 23501, 55309, 257849, 446519, 963541, 18307279]

約数ペア:

[(1, 18307279), (19, 963541), (41, 446519), (71, 257849), (331, 55309), (779, 23501), (1349, 13571), (2911, 6289)]