19216545

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{421}}^1$

素因数の和:625

約数の個数: 32

約数和(自身を含む): 32814720

約数和(自身を除く): 13598175

約数列:

[1, 3, 5, 15, 17, 51, 85, 179, 255, 421, 537, 895, 1263, 2105, 2685, 3043, 6315, 7157, 9129, 15215, 21471, 35785, 45645, 75359, 107355, 226077, 376795, 1130385, 1281103, 3843309, 6405515, 19216545]

約数ペア:

[(1, 19216545), (3, 6405515), (5, 3843309), (15, 1281103), (17, 1130385), (51, 376795), (85, 226077), (179, 107355), (255, 75359), (421, 45645), (537, 35785), (895, 21471), (1263, 15215), (2105, 9129), (2685, 7157), (3043, 6315)]