18817961

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{743}}^1$

素因数の和:836

約数の個数: 16

約数和(自身を含む): 20951040

約数和(自身を除く): 2133079

約数列:

[1, 19, 31, 43, 589, 743, 817, 1333, 14117, 23033, 25327, 31949, 437627, 607031, 990419, 18817961]

約数ペア:

[(1, 18817961), (19, 990419), (31, 607031), (43, 437627), (589, 31949), (743, 25327), (817, 23033), (1333, 14117)]