19965464

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{193}}^2$

素因数の和:459

約数の個数: 24

約数和(自身を含む): 38191860

約数和(自身を除く): 18226396

約数列:

[1, 2, 4, 8, 67, 134, 193, 268, 386, 536, 772, 1544, 12931, 25862, 37249, 51724, 74498, 103448, 148996, 297992, 2495683, 4991366, 9982732, 19965464]

約数ペア:

[(1, 19965464), (2, 9982732), (4, 4991366), (8, 2495683), (67, 297992), (134, 148996), (193, 103448), (268, 74498), (386, 51724), (536, 37249), (772, 25862), (1544, 12931)]