18535209

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{80239}}^1$

素因数の和:80260

約数の個数: 16

約数和(自身を含む): 30812160

約数和(自身を除く): 12276951

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 80239, 240717, 561673, 882629, 1685019, 2647887, 6178403, 18535209]

約数ペア:

[(1, 18535209), (3, 6178403), (7, 2647887), (11, 1685019), (21, 882629), (33, 561673), (77, 240717), (231, 80239)]