18678710399

素因数分解:

${\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{281}}^1\times {\mathrm{13613}}^1$

素因数の和:14170

約数の個数: 16

約数和(自身を含む): 19810003680

約数和(自身を除く): 1131293281

約数列:

[1, 19, 257, 281, 4883, 5339, 13613, 72217, 258647, 1372123, 3498541, 3825253, 66472279, 72679807, 983090021, 18678710399]

約数ペア:

[(1, 18678710399), (19, 983090021), (257, 72679807), (281, 66472279), (4883, 3825253), (5339, 3498541), (13613, 1372123), (72217, 258647)]