18777957

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{12107}}^1$

素因数の和:12168

約数の個数: 16

約数和(自身を含む): 27896832

約数和(自身を除く): 9118875

約数列:

[1, 3, 11, 33, 47, 141, 517, 1551, 12107, 36321, 133177, 399531, 569029, 1707087, 6259319, 18777957]

約数ペア:

[(1, 18777957), (3, 6259319), (11, 1707087), (33, 569029), (47, 399531), (141, 133177), (517, 36321), (1551, 12107)]