18902585

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{6763}}^1$

素因数の和:6824

約数の個数: 16

約数和(自身を含む): 24999744

約数和(自身を除く): 6097159

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 6763, 33815, 87919, 290809, 439595, 1454045, 3780517, 18902585]

約数ペア:

[(1, 18902585), (5, 3780517), (13, 1454045), (43, 439595), (65, 290809), (215, 87919), (559, 33815), (2795, 6763)]