19731840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:304

約数の個数: 128

約数和(自身を含む): 64627200

約数和(自身を除く): 44895360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 64, 80, 86, 96, 120, 128, 129, 160, 172, 192, 215, 239, 240, 258, 320, 344, 384, 430, 478, 480, 516, 640, 645, 688, 717, 860, 956, 960, 1032, 1195, 1290, 1376, 1434, 1720, 1912, 1920, 2064, 2390, 2580, 2752, 2868, 3440, 3585, 3824, 4128, 4780, 5160, 5504, 5736, 6880, 7170, 7648, 8256, 9560, 10277, 10320, 11472, 13760, 14340, 15296, 16512, 19120, 20554, 20640, 22944, 27520, 28680, 30592, 30831, 38240, 41108, 41280, 45888, 51385, 57360, 61662, 76480, 82216, 82560, 91776, 102770, 114720, 123324, 152960, 154155, 164432, 205540, 229440, 246648, 308310, 328864, 411080, 458880, 493296, 616620, 657728, 822160, 986592, 1233240, 1315456, 1644320, 1973184, 2466480, 3288640, 3946368, 4932960, 6577280, 9865920, 19731840]

約数ペア:

[(1, 19731840), (2, 9865920), (3, 6577280), (4, 4932960), (5, 3946368), (6, 3288640), (8, 2466480), (10, 1973184), (12, 1644320), (15, 1315456), (16, 1233240), (20, 986592), (24, 822160), (30, 657728), (32, 616620), (40, 493296), (43, 458880), (48, 411080), (60, 328864), (64, 308310), (80, 246648), (86, 229440), (96, 205540), (120, 164432), (128, 154155), (129, 152960), (160, 123324), (172, 114720), (192, 102770), (215, 91776), (239, 82560), (240, 82216), (258, 76480), (320, 61662), (344, 57360), (384, 51385), (430, 45888), (478, 41280), (480, 41108), (516, 38240), (640, 30831), (645, 30592), (688, 28680), (717, 27520), (860, 22944), (956, 20640), (960, 20554), (1032, 19120), (1195, 16512), (1290, 15296), (1376, 14340), (1434, 13760), (1720, 11472), (1912, 10320), (1920, 10277), (2064, 9560), (2390, 8256), (2580, 7648), (2752, 7170), (2868, 6880), (3440, 5736), (3585, 5504), (3824, 5160), (4128, 4780)]