18159912

素因数分解:

$2^3\times 3^2\times {\mathrm{311}}^1\times {\mathrm{811}}^1$

素因数の和:1134

約数の個数: 48

約数和(自身を含む): 49402080

約数和(自身を除く): 31242168

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 311, 622, 811, 933, 1244, 1622, 1866, 2433, 2488, 2799, 3244, 3732, 4866, 5598, 6488, 7299, 7464, 9732, 11196, 14598, 19464, 22392, 29196, 58392, 252221, 504442, 756663, 1008884, 1513326, 2017768, 2269989, 3026652, 4539978, 6053304, 9079956, 18159912]

約数ペア:

[(1, 18159912), (2, 9079956), (3, 6053304), (4, 4539978), (6, 3026652), (8, 2269989), (9, 2017768), (12, 1513326), (18, 1008884), (24, 756663), (36, 504442), (72, 252221), (311, 58392), (622, 29196), (811, 22392), (933, 19464), (1244, 14598), (1622, 11196), (1866, 9732), (2433, 7464), (2488, 7299), (2799, 6488), (3244, 5598), (3732, 4866)]