18657760

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10601}}^1$

素因数の和:10627

約数の個数: 48

約数和(自身を含む): 48090672

約数和(自身を除く): 29432912

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 10601, 21202, 42404, 53005, 84808, 106010, 116611, 169616, 212020, 233222, 339232, 424040, 466444, 583055, 848080, 932888, 1166110, 1696160, 1865776, 2332220, 3731552, 4664440, 9328880, 18657760]

約数ペア:

[(1, 18657760), (2, 9328880), (4, 4664440), (5, 3731552), (8, 2332220), (10, 1865776), (11, 1696160), (16, 1166110), (20, 932888), (22, 848080), (32, 583055), (40, 466444), (44, 424040), (55, 339232), (80, 233222), (88, 212020), (110, 169616), (160, 116611), (176, 106010), (220, 84808), (352, 53005), (440, 42404), (880, 21202), (1760, 10601)]