18836811

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{8081}}^1$

素因数の和:8131

約数の個数: 24

約数和(自身を含む): 31940064

約数和(自身を除く): 13103253

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 8081, 24243, 56567, 72729, 169701, 298997, 509103, 896991, 2092979, 2690973, 6278937, 18836811]

約数ペア:

[(1, 18836811), (3, 6278937), (7, 2690973), (9, 2092979), (21, 896991), (37, 509103), (63, 298997), (111, 169701), (259, 72729), (333, 56567), (777, 24243), (2331, 8081)]