19868160

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1$

素因数の和:238

約数の個数: 160

約数和(自身を含む): 68745600

約数和(自身を除く): 48877440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 199, 208, 240, 256, 260, 312, 320, 384, 390, 398, 416, 480, 512, 520, 597, 624, 640, 768, 780, 796, 832, 960, 995, 1040, 1194, 1248, 1280, 1536, 1560, 1592, 1664, 1920, 1990, 2080, 2388, 2496, 2560, 2587, 2985, 3120, 3184, 3328, 3840, 3980, 4160, 4776, 4992, 5174, 5970, 6240, 6368, 6656, 7680, 7761, 7960, 8320, 9552, 9984, 10348, 11940, 12480, 12736, 12935, 15522, 15920, 16640, 19104, 19968, 20696, 23880, 24960, 25472, 25870, 31044, 31840, 33280, 38208, 38805, 41392, 47760, 49920, 50944, 51740, 62088, 63680, 76416, 77610, 82784, 95520, 99840, 101888, 103480, 124176, 127360, 152832, 155220, 165568, 191040, 206960, 248352, 254720, 305664, 310440, 331136, 382080, 413920, 496704, 509440, 620880, 662272, 764160, 827840, 993408, 1241760, 1324544, 1528320, 1655680, 1986816, 2483520, 3311360, 3973632, 4967040, 6622720, 9934080, 19868160]

約数ペア:

[(1, 19868160), (2, 9934080), (3, 6622720), (4, 4967040), (5, 3973632), (6, 3311360), (8, 2483520), (10, 1986816), (12, 1655680), (13, 1528320), (15, 1324544), (16, 1241760), (20, 993408), (24, 827840), (26, 764160), (30, 662272), (32, 620880), (39, 509440), (40, 496704), (48, 413920), (52, 382080), (60, 331136), (64, 310440), (65, 305664), (78, 254720), (80, 248352), (96, 206960), (104, 191040), (120, 165568), (128, 155220), (130, 152832), (156, 127360), (160, 124176), (192, 103480), (195, 101888), (199, 99840), (208, 95520), (240, 82784), (256, 77610), (260, 76416), (312, 63680), (320, 62088), (384, 51740), (390, 50944), (398, 49920), (416, 47760), (480, 41392), (512, 38805), (520, 38208), (597, 33280), (624, 31840), (640, 31044), (768, 25870), (780, 25472), (796, 24960), (832, 23880), (960, 20696), (995, 19968), (1040, 19104), (1194, 16640), (1248, 15920), (1280, 15522), (1536, 12935), (1560, 12736), (1592, 12480), (1664, 11940), (1920, 10348), (1990, 9984), (2080, 9552), (2388, 8320), (2496, 7960), (2560, 7761), (2587, 7680), (2985, 6656), (3120, 6368), (3184, 6240), (3328, 5970), (3840, 5174), (3980, 4992), (4160, 4776)]