18969600

素因数分解:

$2^{10}\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:65

約数の個数: 264

約数和(自身を含む): 71071840

約数和(自身を除く): 52102240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 25, 26, 30, 32, 38, 39, 40, 48, 50, 52, 57, 60, 64, 65, 75, 76, 78, 80, 95, 96, 100, 104, 114, 120, 128, 130, 150, 152, 156, 160, 190, 192, 195, 200, 208, 228, 240, 247, 256, 260, 285, 300, 304, 312, 320, 325, 380, 384, 390, 400, 416, 456, 475, 480, 494, 512, 520, 570, 600, 608, 624, 640, 650, 741, 760, 768, 780, 800, 832, 912, 950, 960, 975, 988, 1024, 1040, 1140, 1200, 1216, 1235, 1248, 1280, 1300, 1425, 1482, 1520, 1536, 1560, 1600, 1664, 1824, 1900, 1920, 1950, 1976, 2080, 2280, 2400, 2432, 2470, 2496, 2560, 2600, 2850, 2964, 3040, 3072, 3120, 3200, 3328, 3648, 3705, 3800, 3840, 3900, 3952, 4160, 4560, 4800, 4864, 4940, 4992, 5120, 5200, 5700, 5928, 6080, 6175, 6240, 6400, 6656, 7296, 7410, 7600, 7680, 7800, 7904, 8320, 9120, 9600, 9728, 9880, 9984, 10400, 11400, 11856, 12160, 12350, 12480, 12800, 13312, 14592, 14820, 15200, 15360, 15600, 15808, 16640, 18240, 18525, 19200, 19456, 19760, 19968, 20800, 22800, 23712, 24320, 24700, 24960, 25600, 29184, 29640, 30400, 31200, 31616, 33280, 36480, 37050, 38400, 39520, 39936, 41600, 45600, 47424, 48640, 49400, 49920, 58368, 59280, 60800, 62400, 63232, 66560, 72960, 74100, 76800, 79040, 83200, 91200, 94848, 97280, 98800, 99840, 118560, 121600, 124800, 126464, 145920, 148200, 158080, 166400, 182400, 189696, 197600, 199680, 237120, 243200, 249600, 252928, 291840, 296400, 316160, 332800, 364800, 379392, 395200, 474240, 486400, 499200, 592800, 632320, 729600, 758784, 790400, 948480, 998400, 1185600, 1264640, 1459200, 1580800, 1896960, 2371200, 3161600, 3793920, 4742400, 6323200, 9484800, 18969600]

約数ペア:

[(1, 18969600), (2, 9484800), (3, 6323200), (4, 4742400), (5, 3793920), (6, 3161600), (8, 2371200), (10, 1896960), (12, 1580800), (13, 1459200), (15, 1264640), (16, 1185600), (19, 998400), (20, 948480), (24, 790400), (25, 758784), (26, 729600), (30, 632320), (32, 592800), (38, 499200), (39, 486400), (40, 474240), (48, 395200), (50, 379392), (52, 364800), (57, 332800), (60, 316160), (64, 296400), (65, 291840), (75, 252928), (76, 249600), (78, 243200), (80, 237120), (95, 199680), (96, 197600), (100, 189696), (104, 182400), (114, 166400), (120, 158080), (128, 148200), (130, 145920), (150, 126464), (152, 124800), (156, 121600), (160, 118560), (190, 99840), (192, 98800), (195, 97280), (200, 94848), (208, 91200), (228, 83200), (240, 79040), (247, 76800), (256, 74100), (260, 72960), (285, 66560), (300, 63232), (304, 62400), (312, 60800), (320, 59280), (325, 58368), (380, 49920), (384, 49400), (390, 48640), (400, 47424), (416, 45600), (456, 41600), (475, 39936), (480, 39520), (494, 38400), (512, 37050), (520, 36480), (570, 33280), (600, 31616), (608, 31200), (624, 30400), (640, 29640), (650, 29184), (741, 25600), (760, 24960), (768, 24700), (780, 24320), (800, 23712), (832, 22800), (912, 20800), (950, 19968), (960, 19760), (975, 19456), (988, 19200), (1024, 18525), (1040, 18240), (1140, 16640), (1200, 15808), (1216, 15600), (1235, 15360), (1248, 15200), (1280, 14820), (1300, 14592), (1425, 13312), (1482, 12800), (1520, 12480), (1536, 12350), (1560, 12160), (1600, 11856), (1664, 11400), (1824, 10400), (1900, 9984), (1920, 9880), (1950, 9728), (1976, 9600), (2080, 9120), (2280, 8320), (2400, 7904), (2432, 7800), (2470, 7680), (2496, 7600), (2560, 7410), (2600, 7296), (2850, 6656), (2964, 6400), (3040, 6240), (3072, 6175), (3120, 6080), (3200, 5928), (3328, 5700), (3648, 5200), (3705, 5120), (3800, 4992), (3840, 4940), (3900, 4864), (3952, 4800), (4160, 4560)]