19633617

素因数分解:

$3^3\times {\mathrm{491}}^1\times {\mathrm{1481}}^1$

素因数の和:1981

約数の個数: 16

約数和(自身を含む): 29165760

約数和(自身を除く): 9532143

約数列:

[1, 3, 9, 27, 491, 1473, 1481, 4419, 4443, 13257, 13329, 39987, 727171, 2181513, 6544539, 19633617]

約数ペア:

[(1, 19633617), (3, 6544539), (9, 2181513), (27, 727171), (491, 39987), (1473, 13329), (1481, 13257), (4419, 4443)]