18861711

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{12161}}^1$

素因数の和:12222

約数の個数: 16

約数和(自身を含む): 28021248

約数和(自身を除く): 9159537

約数列:

[1, 3, 11, 33, 47, 141, 517, 1551, 12161, 36483, 133771, 401313, 571567, 1714701, 6287237, 18861711]

約数ペア:

[(1, 18861711), (3, 6287237), (11, 1714701), (33, 571567), (47, 401313), (141, 133771), (517, 36483), (1551, 12161)]