19542880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17449}}^1$

素因数の和:17471

約数の個数: 48

約数和(自身を含む): 52768800

約数和(自身を除く): 33225920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 17449, 34898, 69796, 87245, 122143, 139592, 174490, 244286, 279184, 348980, 488572, 558368, 610715, 697960, 977144, 1221430, 1395920, 1954288, 2442860, 2791840, 3908576, 4885720, 9771440, 19542880]

約数ペア:

[(1, 19542880), (2, 9771440), (4, 4885720), (5, 3908576), (7, 2791840), (8, 2442860), (10, 1954288), (14, 1395920), (16, 1221430), (20, 977144), (28, 697960), (32, 610715), (35, 558368), (40, 488572), (56, 348980), (70, 279184), (80, 244286), (112, 174490), (140, 139592), (160, 122143), (224, 87245), (280, 69796), (560, 34898), (1120, 17449)]