19145520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{26591}}^1$

素因数の和:26610

約数の個数: 60

約数和(自身を含む): 64299456

約数和(自身を除く): 45153936

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 26591, 53182, 79773, 106364, 132955, 159546, 212728, 239319, 265910, 319092, 398865, 425456, 478638, 531820, 638184, 797730, 957276, 1063640, 1196595, 1276368, 1595460, 1914552, 2127280, 2393190, 3190920, 3829104, 4786380, 6381840, 9572760, 19145520]

約数ペア:

[(1, 19145520), (2, 9572760), (3, 6381840), (4, 4786380), (5, 3829104), (6, 3190920), (8, 2393190), (9, 2127280), (10, 1914552), (12, 1595460), (15, 1276368), (16, 1196595), (18, 1063640), (20, 957276), (24, 797730), (30, 638184), (36, 531820), (40, 478638), (45, 425456), (48, 398865), (60, 319092), (72, 265910), (80, 239319), (90, 212728), (120, 159546), (144, 132955), (180, 106364), (240, 79773), (360, 53182), (720, 26591)]