28618636

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{19819}}^1$

素因数の和:19861

約数の個数: 18

約数和(自身を含む): 52859940

約数和(自身を除く): 24241304

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 19819, 39638, 79276, 376561, 753122, 1506244, 7154659, 14309318, 28618636]

約数ペア:

[(1, 28618636), (2, 14309318), (4, 7154659), (19, 1506244), (38, 753122), (76, 376561), (361, 79276), (722, 39638), (1444, 19819)]