19400661

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4463}}^1$

素因数の和:4502

約数の個数: 32

約数和(自身を含む): 34283520

約数和(自身を除く): 14882859

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 4463, 13389, 31241, 40167, 93723, 102649, 120501, 281169, 307947, 718543, 843507, 923841, 2155629, 2771523, 6466887, 19400661]

約数ペア:

[(1, 19400661), (3, 6466887), (7, 2771523), (9, 2155629), (21, 923841), (23, 843507), (27, 718543), (63, 307947), (69, 281169), (161, 120501), (189, 102649), (207, 93723), (483, 40167), (621, 31241), (1449, 13389), (4347, 4463)]