18133920

素因数分解:

$2^5\times 3^2\times 5^1\times 7^2\times {\mathrm{257}}^1$

素因数の和:292

約数の個数: 216

約数和(自身を含む): 72265284

約数和(自身を除く): 54131364

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 196, 210, 224, 240, 245, 252, 257, 280, 288, 294, 315, 336, 360, 392, 420, 441, 480, 490, 504, 514, 560, 588, 630, 672, 720, 735, 771, 784, 840, 882, 980, 1008, 1028, 1120, 1176, 1260, 1285, 1440, 1470, 1542, 1568, 1680, 1764, 1799, 1960, 2016, 2056, 2205, 2313, 2352, 2520, 2570, 2940, 3084, 3360, 3528, 3598, 3855, 3920, 4112, 4410, 4626, 4704, 5040, 5140, 5397, 5880, 6168, 7056, 7196, 7710, 7840, 8224, 8820, 8995, 9252, 10080, 10280, 10794, 11565, 11760, 12336, 12593, 14112, 14392, 15420, 16191, 17640, 17990, 18504, 20560, 21588, 23130, 23520, 24672, 25186, 26985, 28784, 30840, 32382, 35280, 35980, 37008, 37779, 41120, 43176, 46260, 50372, 53970, 57568, 61680, 62965, 64764, 70560, 71960, 74016, 75558, 80955, 86352, 92520, 100744, 107940, 113337, 123360, 125930, 129528, 143920, 151116, 161910, 172704, 185040, 188895, 201488, 215880, 226674, 251860, 259056, 287840, 302232, 323820, 370080, 377790, 402976, 431760, 453348, 503720, 518112, 566685, 604464, 647640, 755580, 863520, 906696, 1007440, 1133370, 1208928, 1295280, 1511160, 1813392, 2014880, 2266740, 2590560, 3022320, 3626784, 4533480, 6044640, 9066960, 18133920]

約数ペア:

[(1, 18133920), (2, 9066960), (3, 6044640), (4, 4533480), (5, 3626784), (6, 3022320), (7, 2590560), (8, 2266740), (9, 2014880), (10, 1813392), (12, 1511160), (14, 1295280), (15, 1208928), (16, 1133370), (18, 1007440), (20, 906696), (21, 863520), (24, 755580), (28, 647640), (30, 604464), (32, 566685), (35, 518112), (36, 503720), (40, 453348), (42, 431760), (45, 402976), (48, 377790), (49, 370080), (56, 323820), (60, 302232), (63, 287840), (70, 259056), (72, 251860), (80, 226674), (84, 215880), (90, 201488), (96, 188895), (98, 185040), (105, 172704), (112, 161910), (120, 151116), (126, 143920), (140, 129528), (144, 125930), (147, 123360), (160, 113337), (168, 107940), (180, 100744), (196, 92520), (210, 86352), (224, 80955), (240, 75558), (245, 74016), (252, 71960), (257, 70560), (280, 64764), (288, 62965), (294, 61680), (315, 57568), (336, 53970), (360, 50372), (392, 46260), (420, 43176), (441, 41120), (480, 37779), (490, 37008), (504, 35980), (514, 35280), (560, 32382), (588, 30840), (630, 28784), (672, 26985), (720, 25186), (735, 24672), (771, 23520), (784, 23130), (840, 21588), (882, 20560), (980, 18504), (1008, 17990), (1028, 17640), (1120, 16191), (1176, 15420), (1260, 14392), (1285, 14112), (1440, 12593), (1470, 12336), (1542, 11760), (1568, 11565), (1680, 10794), (1764, 10280), (1799, 10080), (1960, 9252), (2016, 8995), (2056, 8820), (2205, 8224), (2313, 7840), (2352, 7710), (2520, 7196), (2570, 7056), (2940, 6168), (3084, 5880), (3360, 5397), (3528, 5140), (3598, 5040), (3855, 4704), (3920, 4626), (4112, 4410)]