18836587

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{1097}}^1$

素因数の和:1338

約数の個数: 16

約数和(自身を含む): 23611392

約数和(自身を除く): 4774805

約数列:

[1, 7, 11, 77, 223, 1097, 1561, 2453, 7679, 12067, 17171, 84469, 244631, 1712417, 2690941, 18836587]

約数ペア:

[(1, 18836587), (7, 2690941), (11, 1712417), (77, 244631), (223, 84469), (1097, 17171), (1561, 12067), (2453, 7679)]