19199520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:287

約数の個数: 144

約数和(自身を含む): 66830400

約数和(自身を除く): 47630880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 67, 72, 80, 90, 96, 120, 134, 144, 160, 180, 199, 201, 240, 268, 288, 335, 360, 398, 402, 480, 536, 597, 603, 670, 720, 796, 804, 995, 1005, 1072, 1194, 1206, 1340, 1440, 1592, 1608, 1791, 1990, 2010, 2144, 2388, 2412, 2680, 2985, 3015, 3184, 3216, 3582, 3980, 4020, 4776, 4824, 5360, 5970, 6030, 6368, 6432, 7164, 7960, 8040, 8955, 9552, 9648, 10720, 11940, 12060, 13333, 14328, 15920, 16080, 17910, 19104, 19296, 23880, 24120, 26666, 28656, 31840, 32160, 35820, 39999, 47760, 48240, 53332, 57312, 66665, 71640, 79998, 95520, 96480, 106664, 119997, 133330, 143280, 159996, 199995, 213328, 239994, 266660, 286560, 319992, 399990, 426656, 479988, 533320, 599985, 639984, 799980, 959976, 1066640, 1199970, 1279968, 1599960, 1919952, 2133280, 2399940, 3199920, 3839904, 4799880, 6399840, 9599760, 19199520]

約数ペア:

[(1, 19199520), (2, 9599760), (3, 6399840), (4, 4799880), (5, 3839904), (6, 3199920), (8, 2399940), (9, 2133280), (10, 1919952), (12, 1599960), (15, 1279968), (16, 1199970), (18, 1066640), (20, 959976), (24, 799980), (30, 639984), (32, 599985), (36, 533320), (40, 479988), (45, 426656), (48, 399990), (60, 319992), (67, 286560), (72, 266660), (80, 239994), (90, 213328), (96, 199995), (120, 159996), (134, 143280), (144, 133330), (160, 119997), (180, 106664), (199, 96480), (201, 95520), (240, 79998), (268, 71640), (288, 66665), (335, 57312), (360, 53332), (398, 48240), (402, 47760), (480, 39999), (536, 35820), (597, 32160), (603, 31840), (670, 28656), (720, 26666), (796, 24120), (804, 23880), (995, 19296), (1005, 19104), (1072, 17910), (1194, 16080), (1206, 15920), (1340, 14328), (1440, 13333), (1592, 12060), (1608, 11940), (1791, 10720), (1990, 9648), (2010, 9552), (2144, 8955), (2388, 8040), (2412, 7960), (2680, 7164), (2985, 6432), (3015, 6368), (3184, 6030), (3216, 5970), (3582, 5360), (3980, 4824), (4020, 4776)]