18888931611

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{881}}^1\times {\mathrm{216569}}^1$

素因数の和:217467

約数の個数: 24

約数和(自身を含む): 29798299440

約数和(自身を除く): 10909367829

約数列:

[1, 3, 9, 11, 33, 99, 881, 2643, 7929, 9691, 29073, 87219, 216569, 649707, 1949121, 2382259, 7146777, 21440331, 190797289, 572391867, 1717175601, 2098770179, 6296310537, 18888931611]

約数ペア:

[(1, 18888931611), (3, 6296310537), (9, 2098770179), (11, 1717175601), (33, 572391867), (99, 190797289), (881, 21440331), (2643, 7146777), (7929, 2382259), (9691, 1949121), (29073, 649707), (87219, 216569)]