19827840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1$

素因数の和:494

約数の個数: 128

約数和(自身を含む): 66096000

約数和(自身を除く): 46268160

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, 449, 460, 480, 552, 640, 690, 736, 898, 920, 960, 1104, 1347, 1380, 1472, 1796, 1840, 1920, 2208, 2245, 2694, 2760, 2944, 3592, 3680, 4416, 4490, 5388, 5520, 6735, 7184, 7360, 8832, 8980, 10327, 10776, 11040, 13470, 14368, 14720, 17960, 20654, 21552, 22080, 26940, 28736, 30981, 35920, 41308, 43104, 44160, 51635, 53880, 57472, 61962, 71840, 82616, 86208, 103270, 107760, 123924, 143680, 154905, 165232, 172416, 206540, 215520, 247848, 287360, 309810, 330464, 413080, 431040, 495696, 619620, 660928, 826160, 862080, 991392, 1239240, 1321856, 1652320, 1982784, 2478480, 3304640, 3965568, 4956960, 6609280, 9913920, 19827840]

約数ペア:

[(1, 19827840), (2, 9913920), (3, 6609280), (4, 4956960), (5, 3965568), (6, 3304640), (8, 2478480), (10, 1982784), (12, 1652320), (15, 1321856), (16, 1239240), (20, 991392), (23, 862080), (24, 826160), (30, 660928), (32, 619620), (40, 495696), (46, 431040), (48, 413080), (60, 330464), (64, 309810), (69, 287360), (80, 247848), (92, 215520), (96, 206540), (115, 172416), (120, 165232), (128, 154905), (138, 143680), (160, 123924), (184, 107760), (192, 103270), (230, 86208), (240, 82616), (276, 71840), (320, 61962), (345, 57472), (368, 53880), (384, 51635), (449, 44160), (460, 43104), (480, 41308), (552, 35920), (640, 30981), (690, 28736), (736, 26940), (898, 22080), (920, 21552), (960, 20654), (1104, 17960), (1347, 14720), (1380, 14368), (1472, 13470), (1796, 11040), (1840, 10776), (1920, 10327), (2208, 8980), (2245, 8832), (2694, 7360), (2760, 7184), (2944, 6735), (3592, 5520), (3680, 5388), (4416, 4490)]