19660579

素因数分解:

${\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:390

約数の個数: 16

約数和(自身を含む): 21258720

約数和(自身を除く): 1598141

約数列:

[1, 29, 37, 73, 251, 1073, 2117, 2701, 7279, 9287, 18323, 78329, 269323, 531367, 677951, 19660579]

約数ペア:

[(1, 19660579), (29, 677951), (37, 531367), (73, 269323), (251, 78329), (1073, 18323), (2117, 9287), (2701, 7279)]