18820239

素因数分解:

$3^1\times {\mathrm{101}}^1\times {\mathrm{179}}^1\times {\mathrm{347}}^1$

素因数の和:630

約数の個数: 16

約数和(自身を含む): 25557120

約数和(自身を除く): 6736881

約数列:

[1, 3, 101, 179, 303, 347, 537, 1041, 18079, 35047, 54237, 62113, 105141, 186339, 6273413, 18820239]

約数ペア:

[(1, 18820239), (3, 6273413), (101, 186339), (179, 105141), (303, 62113), (347, 54237), (537, 35047), (1041, 18079)]