19802585

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^2\times {\mathrm{263}}^1$

素因数の和:353

約数の個数: 24

約数和(自身を含む): 26744256

約数和(自身を除く): 6941671

約数列:

[1, 5, 11, 37, 55, 185, 263, 407, 1315, 1369, 2035, 2893, 6845, 9731, 14465, 15059, 48655, 75295, 107041, 360047, 535205, 1800235, 3960517, 19802585]

約数ペア:

[(1, 19802585), (5, 3960517), (11, 1800235), (37, 535205), (55, 360047), (185, 107041), (263, 75295), (407, 48655), (1315, 15059), (1369, 14465), (2035, 9731), (2893, 6845)]