19181591

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4327}}^1$

素因数の和:4382

約数の個数: 16

約数和(自身を含む): 23267328

約数和(自身を除く): 4085737

約数列:

[1, 11, 13, 31, 143, 341, 403, 4327, 4433, 47597, 56251, 134137, 618761, 1475507, 1743781, 19181591]

約数ペア:

[(1, 19181591), (11, 1743781), (13, 1475507), (31, 618761), (143, 134137), (341, 56251), (403, 47597), (4327, 4433)]