18964314

素因数分解:

$2^1\times 3^3\times {\mathrm{331}}^1\times {\mathrm{1061}}^1$

素因数の和:1403

約数の個数: 32

約数和(自身を含む): 42310080

約数和(自身を除く): 23345766

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 331, 662, 993, 1061, 1986, 2122, 2979, 3183, 5958, 6366, 8937, 9549, 17874, 19098, 28647, 57294, 351191, 702382, 1053573, 2107146, 3160719, 6321438, 9482157, 18964314]

約数ペア:

[(1, 18964314), (2, 9482157), (3, 6321438), (6, 3160719), (9, 2107146), (18, 1053573), (27, 702382), (54, 351191), (331, 57294), (662, 28647), (993, 19098), (1061, 17874), (1986, 9549), (2122, 8937), (2979, 6366), (3183, 5958)]