19188800

素因数分解:

$2^6\times 5^2\times {\mathrm{67}}^1\times {\mathrm{179}}^1$

素因数の和:268

約数の個数: 84

約数和(自身を含む): 48188880

約数和(自身を除く): 29000080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 67, 80, 100, 134, 160, 179, 200, 268, 320, 335, 358, 400, 536, 670, 716, 800, 895, 1072, 1340, 1432, 1600, 1675, 1790, 2144, 2680, 2864, 3350, 3580, 4288, 4475, 5360, 5728, 6700, 7160, 8950, 10720, 11456, 11993, 13400, 14320, 17900, 21440, 23986, 26800, 28640, 35800, 47972, 53600, 57280, 59965, 71600, 95944, 107200, 119930, 143200, 191888, 239860, 286400, 299825, 383776, 479720, 599650, 767552, 959440, 1199300, 1918880, 2398600, 3837760, 4797200, 9594400, 19188800]

約数ペア:

[(1, 19188800), (2, 9594400), (4, 4797200), (5, 3837760), (8, 2398600), (10, 1918880), (16, 1199300), (20, 959440), (25, 767552), (32, 599650), (40, 479720), (50, 383776), (64, 299825), (67, 286400), (80, 239860), (100, 191888), (134, 143200), (160, 119930), (179, 107200), (200, 95944), (268, 71600), (320, 59965), (335, 57280), (358, 53600), (400, 47972), (536, 35800), (670, 28640), (716, 26800), (800, 23986), (895, 21440), (1072, 17900), (1340, 14320), (1432, 13400), (1600, 11993), (1675, 11456), (1790, 10720), (2144, 8950), (2680, 7160), (2864, 6700), (3350, 5728), (3580, 5360), (4288, 4475)]