66885814

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{19777}}^1$

素因数の和:19887

約数の個数: 16

約数和(自身を含む): 106801200

約数和(自身を除く): 39915386

約数列:

[1, 2, 19, 38, 89, 178, 1691, 3382, 19777, 39554, 375763, 751526, 1760153, 3520306, 33442907, 66885814]

約数ペア:

[(1, 66885814), (2, 33442907), (19, 3520306), (38, 1760153), (89, 751526), (178, 375763), (1691, 39554), (3382, 19777)]