18507931

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{293}}^1$

素因数の和:462

約数の個数: 16

約数和(自身を含む): 20645856

約数和(自身を除く): 2137925

約数列:

[1, 13, 43, 113, 293, 559, 1469, 3809, 4859, 12599, 33109, 63167, 163787, 430417, 1423687, 18507931]

約数ペア:

[(1, 18507931), (13, 1423687), (43, 430417), (113, 163787), (293, 63167), (559, 33109), (1469, 12599), (3809, 4859)]