19888193

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1103}}^1$

素因数の和:1208

約数の個数: 16

約数和(自身を含む): 22874880

約数和(自身を除く): 2986687

約数列:

[1, 13, 19, 73, 247, 949, 1103, 1387, 14339, 18031, 20957, 80519, 272441, 1046747, 1529861, 19888193]

約数ペア:

[(1, 19888193), (13, 1529861), (19, 1046747), (73, 272441), (247, 80519), (949, 20957), (1103, 18031), (1387, 14339)]