28557988

素因数分解:

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

素因数の和:19819

約数の個数: 18

約数和(自身を含む): 52747926

約数和(自身を除く): 24189938

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 19777, 39554, 79108, 375763, 751526, 1503052, 7139497, 14278994, 28557988]

約数ペア:

[(1, 28557988), (2, 14278994), (4, 7139497), (19, 1503052), (38, 751526), (76, 375763), (361, 79108), (722, 39554), (1444, 19777)]