18500105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{6619}}^1$

素因数の和:6680

約数の個数: 16

約数和(自身を含む): 24467520

約数和(自身を除く): 5967415

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 6619, 33095, 86047, 284617, 430235, 1423085, 3700021, 18500105]

約数ペア:

[(1, 18500105), (5, 3700021), (13, 1423085), (43, 430235), (65, 284617), (215, 86047), (559, 33095), (2795, 6619)]