18756686

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{883}}^1$

素因数の和:960

約数の個数: 32

約数和(自身を含む): 32672640

約数和(自身を除く): 13915954

約数列:

[1, 2, 13, 19, 26, 38, 43, 86, 247, 494, 559, 817, 883, 1118, 1634, 1766, 10621, 11479, 16777, 21242, 22958, 33554, 37969, 75938, 218101, 436202, 493597, 721411, 987194, 1442822, 9378343, 18756686]

約数ペア:

[(1, 18756686), (2, 9378343), (13, 1442822), (19, 987194), (26, 721411), (38, 493597), (43, 436202), (86, 218101), (247, 75938), (494, 37969), (559, 33554), (817, 22958), (883, 21242), (1118, 16777), (1634, 11479), (1766, 10621)]