19766403

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{727}}^1$

素因数の和:808

約数の個数: 32

約数和(自身を含む): 31449600

約数和(自身を除く): 11683197

約数列:

[1, 3, 9, 19, 27, 53, 57, 159, 171, 477, 513, 727, 1007, 1431, 2181, 3021, 6543, 9063, 13813, 19629, 27189, 38531, 41439, 115593, 124317, 346779, 372951, 732089, 1040337, 2196267, 6588801, 19766403]

約数ペア:

[(1, 19766403), (3, 6588801), (9, 2196267), (19, 1040337), (27, 732089), (53, 372951), (57, 346779), (159, 124317), (171, 115593), (477, 41439), (513, 38531), (727, 27189), (1007, 19629), (1431, 13813), (2181, 9063), (3021, 6543)]