18868599

素因数分解:

$3^3\times {\mathrm{137}}^1\times {\mathrm{5101}}^1$

素因数の和:5247

約数の個数: 16

約数和(自身を含む): 28163040

約数和(自身を除く): 9294441

約数列:

[1, 3, 9, 27, 137, 411, 1233, 3699, 5101, 15303, 45909, 137727, 698837, 2096511, 6289533, 18868599]

約数ペア:

[(1, 18868599), (3, 6289533), (9, 2096511), (27, 698837), (137, 137727), (411, 45909), (1233, 15303), (3699, 5101)]