19945249

素因数分解:

${\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:300

約数の個数: 16

約数和(自身を含む): 21288960

約数和(自身を除く): 1343711

約数列:

[1, 43, 47, 71, 139, 2021, 3053, 3337, 5977, 6533, 9869, 143491, 280919, 424367, 463843, 19945249]

約数ペア:

[(1, 19945249), (43, 463843), (47, 424367), (71, 280919), (139, 143491), (2021, 9869), (3053, 6533), (3337, 5977)]