18873426

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21997}}^1$

素因数の和:22026

約数の個数: 32

約数和(自身を含む): 44347968

約数和(自身を除く): 25474542

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 429, 858, 21997, 43994, 65991, 131982, 241967, 285961, 483934, 571922, 725901, 857883, 1451802, 1715766, 3145571, 6291142, 9436713, 18873426]

約数ペア:

[(1, 18873426), (2, 9436713), (3, 6291142), (6, 3145571), (11, 1715766), (13, 1451802), (22, 857883), (26, 725901), (33, 571922), (39, 483934), (66, 285961), (78, 241967), (143, 131982), (286, 65991), (429, 43994), (858, 21997)]