18664920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{373}}^1$

素因数の和:529

約数の個数: 96

約数和(自身を含む): 61261200

約数和(自身を除く): 42596280

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, 139, 180, 278, 360, 373, 417, 556, 695, 746, 834, 1112, 1119, 1251, 1390, 1492, 1668, 1865, 2085, 2238, 2502, 2780, 2984, 3336, 3357, 3730, 4170, 4476, 5004, 5560, 5595, 6255, 6714, 7460, 8340, 8952, 10008, 11190, 12510, 13428, 14920, 16680, 16785, 22380, 25020, 26856, 33570, 44760, 50040, 51847, 67140, 103694, 134280, 155541, 207388, 259235, 311082, 414776, 466623, 518470, 622164, 777705, 933246, 1036940, 1244328, 1555410, 1866492, 2073880, 2333115, 3110820, 3732984, 4666230, 6221640, 9332460, 18664920]

約数ペア:

[(1, 18664920), (2, 9332460), (3, 6221640), (4, 4666230), (5, 3732984), (6, 3110820), (8, 2333115), (9, 2073880), (10, 1866492), (12, 1555410), (15, 1244328), (18, 1036940), (20, 933246), (24, 777705), (30, 622164), (36, 518470), (40, 466623), (45, 414776), (60, 311082), (72, 259235), (90, 207388), (120, 155541), (139, 134280), (180, 103694), (278, 67140), (360, 51847), (373, 50040), (417, 44760), (556, 33570), (695, 26856), (746, 25020), (834, 22380), (1112, 16785), (1119, 16680), (1251, 14920), (1390, 13428), (1492, 12510), (1668, 11190), (1865, 10008), (2085, 8952), (2238, 8340), (2502, 7460), (2780, 6714), (2984, 6255), (3336, 5595), (3357, 5560), (3730, 5004), (4170, 4476)]