18798455

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{2111}}^1$

素因数の和:2266

約数の個数: 16

約数和(自身を含む): 24482304

約数和(自身を除く): 5683849

約数列:

[1, 5, 13, 65, 137, 685, 1781, 2111, 8905, 10555, 27443, 137215, 289207, 1446035, 3759691, 18798455]

約数ペア:

[(1, 18798455), (5, 3759691), (13, 1446035), (65, 289207), (137, 137215), (685, 27443), (1781, 10555), (2111, 8905)]