19844280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{277}}^1$

素因数の和:493

約数の個数: 96

約数和(自身を含む): 65052000

約数和(自身を除く): 45207720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 199, 277, 360, 398, 554, 597, 796, 831, 995, 1108, 1194, 1385, 1592, 1662, 1791, 1990, 2216, 2388, 2493, 2770, 2985, 3324, 3582, 3980, 4155, 4776, 4986, 5540, 5970, 6648, 7164, 7960, 8310, 8955, 9972, 11080, 11940, 12465, 14328, 16620, 17910, 19944, 23880, 24930, 33240, 35820, 49860, 55123, 71640, 99720, 110246, 165369, 220492, 275615, 330738, 440984, 496107, 551230, 661476, 826845, 992214, 1102460, 1322952, 1653690, 1984428, 2204920, 2480535, 3307380, 3968856, 4961070, 6614760, 9922140, 19844280]

約数ペア:

[(1, 19844280), (2, 9922140), (3, 6614760), (4, 4961070), (5, 3968856), (6, 3307380), (8, 2480535), (9, 2204920), (10, 1984428), (12, 1653690), (15, 1322952), (18, 1102460), (20, 992214), (24, 826845), (30, 661476), (36, 551230), (40, 496107), (45, 440984), (60, 330738), (72, 275615), (90, 220492), (120, 165369), (180, 110246), (199, 99720), (277, 71640), (360, 55123), (398, 49860), (554, 35820), (597, 33240), (796, 24930), (831, 23880), (995, 19944), (1108, 17910), (1194, 16620), (1385, 14328), (1592, 12465), (1662, 11940), (1791, 11080), (1990, 9972), (2216, 8955), (2388, 8310), (2493, 7960), (2770, 7164), (2985, 6648), (3324, 5970), (3582, 5540), (3980, 4986), (4155, 4776)]