18321589

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4133}}^1$

素因数の和:4188

約数の個数: 16

約数和(自身を含む): 22224384

約数和(自身を除く): 3902795

約数列:

[1, 11, 13, 31, 143, 341, 403, 4133, 4433, 45463, 53729, 128123, 591019, 1409353, 1665599, 18321589]

約数ペア:

[(1, 18321589), (11, 1665599), (13, 1409353), (31, 591019), (143, 128123), (341, 53729), (403, 45463), (4133, 4433)]