19841361

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{4157}}^1$

素因数の和:4240

約数の個数: 16

約数和(自身を含む): 27808704

約数和(自身を除く): 7967343

約数列:

[1, 3, 37, 43, 111, 129, 1591, 4157, 4773, 12471, 153809, 178751, 461427, 536253, 6613787, 19841361]

約数ペア:

[(1, 19841361), (3, 6613787), (37, 536253), (43, 461427), (111, 178751), (129, 153809), (1591, 12471), (4157, 4773)]