18861249

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{4363}}^1$

素因数の和:4508

約数の個数: 16

約数和(自身を含む): 27650304

約数和(自身を除く): 8789055

約数列:

[1, 3, 11, 33, 131, 393, 1441, 4323, 4363, 13089, 47993, 143979, 571553, 1714659, 6287083, 18861249]

約数ペア:

[(1, 18861249), (3, 6287083), (11, 1714659), (33, 571553), (131, 143979), (393, 47993), (1441, 13089), (4323, 4363)]