19165276

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{28351}}^1$

素因数の和:28381

約数の個数: 18

約数和(自身を含む): 36318912

約数和(自身を除く): 17153636

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 28351, 56702, 113404, 368563, 737126, 1474252, 4791319, 9582638, 19165276]

約数ペア:

[(1, 19165276), (2, 9582638), (4, 4791319), (13, 1474252), (26, 737126), (52, 368563), (169, 113404), (338, 56702), (676, 28351)]