19386240

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{439}}^1$

素因数の和:484

約数の個数: 128

約数和(自身を含む): 64627200

約数和(自身を除く): 45240960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 128, 138, 160, 184, 192, 230, 240, 276, 320, 345, 368, 384, 439, 460, 480, 552, 640, 690, 736, 878, 920, 960, 1104, 1317, 1380, 1472, 1756, 1840, 1920, 2195, 2208, 2634, 2760, 2944, 3512, 3680, 4390, 4416, 5268, 5520, 6585, 7024, 7360, 8780, 8832, 10097, 10536, 11040, 13170, 14048, 14720, 17560, 20194, 21072, 22080, 26340, 28096, 30291, 35120, 40388, 42144, 44160, 50485, 52680, 56192, 60582, 70240, 80776, 84288, 100970, 105360, 121164, 140480, 151455, 161552, 168576, 201940, 210720, 242328, 280960, 302910, 323104, 403880, 421440, 484656, 605820, 646208, 807760, 842880, 969312, 1211640, 1292416, 1615520, 1938624, 2423280, 3231040, 3877248, 4846560, 6462080, 9693120, 19386240]

約数ペア:

[(1, 19386240), (2, 9693120), (3, 6462080), (4, 4846560), (5, 3877248), (6, 3231040), (8, 2423280), (10, 1938624), (12, 1615520), (15, 1292416), (16, 1211640), (20, 969312), (23, 842880), (24, 807760), (30, 646208), (32, 605820), (40, 484656), (46, 421440), (48, 403880), (60, 323104), (64, 302910), (69, 280960), (80, 242328), (92, 210720), (96, 201940), (115, 168576), (120, 161552), (128, 151455), (138, 140480), (160, 121164), (184, 105360), (192, 100970), (230, 84288), (240, 80776), (276, 70240), (320, 60582), (345, 56192), (368, 52680), (384, 50485), (439, 44160), (460, 42144), (480, 40388), (552, 35120), (640, 30291), (690, 28096), (736, 26340), (878, 22080), (920, 21072), (960, 20194), (1104, 17560), (1317, 14720), (1380, 14048), (1472, 13170), (1756, 11040), (1840, 10536), (1920, 10097), (2195, 8832), (2208, 8780), (2634, 7360), (2760, 7024), (2944, 6585), (3512, 5520), (3680, 5268), (4390, 4416)]