19224225

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{1987}}^1$

素因数の和:2046

約数の個数: 36

約数和(自身を含む): 35251216

約数和(自身を除く): 16026991

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 129, 215, 225, 387, 645, 1075, 1935, 1987, 3225, 5961, 9675, 9935, 17883, 29805, 49675, 85441, 89415, 149025, 256323, 427205, 447075, 768969, 1281615, 2136025, 3844845, 6408075, 19224225]

約数ペア:

[(1, 19224225), (3, 6408075), (5, 3844845), (9, 2136025), (15, 1281615), (25, 768969), (43, 447075), (45, 427205), (75, 256323), (129, 149025), (215, 89415), (225, 85441), (387, 49675), (645, 29805), (1075, 17883), (1935, 9935), (1987, 9675), (3225, 5961)]