18993978

素因数分解:

$2^1\times 3^2\times {\mathrm{433}}^1\times {\mathrm{2437}}^1$

素因数の和:2878

約数の個数: 24

約数和(自身を含む): 41265588

約数和(自身を除く): 22271610

約数列:

[1, 2, 3, 6, 9, 18, 433, 866, 1299, 2437, 2598, 3897, 4874, 7311, 7794, 14622, 21933, 43866, 1055221, 2110442, 3165663, 6331326, 9496989, 18993978]

約数ペア:

[(1, 18993978), (2, 9496989), (3, 6331326), (6, 3165663), (9, 2110442), (18, 1055221), (433, 43866), (866, 21933), (1299, 14622), (2437, 7794), (2598, 7311), (3897, 4874)]