18480672

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:215

約数の個数: 144

約数和(自身を含む): 61326720

約数和(自身を除く): 42846048

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 89, 96, 103, 112, 126, 144, 168, 178, 206, 224, 252, 267, 288, 309, 336, 356, 412, 504, 534, 618, 623, 672, 712, 721, 801, 824, 927, 1008, 1068, 1236, 1246, 1424, 1442, 1602, 1648, 1854, 1869, 2016, 2136, 2163, 2472, 2492, 2848, 2884, 3204, 3296, 3708, 3738, 4272, 4326, 4944, 4984, 5607, 5768, 6408, 6489, 7416, 7476, 8544, 8652, 9167, 9888, 9968, 11214, 11536, 12816, 12978, 14832, 14952, 17304, 18334, 19936, 22428, 23072, 25632, 25956, 27501, 29664, 29904, 34608, 36668, 44856, 51912, 55002, 59808, 64169, 69216, 73336, 82503, 89712, 103824, 110004, 128338, 146672, 165006, 179424, 192507, 207648, 220008, 256676, 293344, 330012, 385014, 440016, 513352, 577521, 660024, 770028, 880032, 1026704, 1155042, 1320048, 1540056, 2053408, 2310084, 2640096, 3080112, 4620168, 6160224, 9240336, 18480672]

約数ペア:

[(1, 18480672), (2, 9240336), (3, 6160224), (4, 4620168), (6, 3080112), (7, 2640096), (8, 2310084), (9, 2053408), (12, 1540056), (14, 1320048), (16, 1155042), (18, 1026704), (21, 880032), (24, 770028), (28, 660024), (32, 577521), (36, 513352), (42, 440016), (48, 385014), (56, 330012), (63, 293344), (72, 256676), (84, 220008), (89, 207648), (96, 192507), (103, 179424), (112, 165006), (126, 146672), (144, 128338), (168, 110004), (178, 103824), (206, 89712), (224, 82503), (252, 73336), (267, 69216), (288, 64169), (309, 59808), (336, 55002), (356, 51912), (412, 44856), (504, 36668), (534, 34608), (618, 29904), (623, 29664), (672, 27501), (712, 25956), (721, 25632), (801, 23072), (824, 22428), (927, 19936), (1008, 18334), (1068, 17304), (1236, 14952), (1246, 14832), (1424, 12978), (1442, 12816), (1602, 11536), (1648, 11214), (1854, 9968), (1869, 9888), (2016, 9167), (2136, 8652), (2163, 8544), (2472, 7476), (2492, 7416), (2848, 6489), (2884, 6408), (3204, 5768), (3296, 5607), (3708, 4984), (3738, 4944), (4272, 4326)]