18988896879

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{16355639}}^1$

素因数の和:16355691

約数の個数: 16

約数和(自身を含む): 28785926400

約数和(自身を除く): 9797029521

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 16355639, 49066917, 147200751, 441602253, 703292477, 2109877431, 6329632293, 18988896879]

約数ペア:

[(1, 18988896879), (3, 6329632293), (9, 2109877431), (27, 703292477), (43, 441602253), (129, 147200751), (387, 49066917), (1161, 16355639)]