19887214

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{8363}}^1$

素因数の和:8435

約数の個数: 16

約数和(自身を含む): 31615920

約数和(自身を除く): 11728706

約数列:

[1, 2, 29, 41, 58, 82, 1189, 2378, 8363, 16726, 242527, 342883, 485054, 685766, 9943607, 19887214]

約数ペア:

[(1, 19887214), (2, 9943607), (29, 685766), (41, 485054), (58, 342883), (82, 242527), (1189, 16726), (2378, 8363)]