18816160

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10691}}^1$

素因数の和:10717

約数の個数: 48

約数和(自身を含む): 48498912

約数和(自身を除く): 29682752

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, 10691, 21382, 42764, 53455, 85528, 106910, 117601, 171056, 213820, 235202, 342112, 427640, 470404, 588005, 855280, 940808, 1176010, 1710560, 1881616, 2352020, 3763232, 4704040, 9408080, 18816160]

約数ペア:

[(1, 18816160), (2, 9408080), (4, 4704040), (5, 3763232), (8, 2352020), (10, 1881616), (11, 1710560), (16, 1176010), (20, 940808), (22, 855280), (32, 588005), (40, 470404), (44, 427640), (55, 342112), (80, 235202), (88, 213820), (110, 171056), (160, 117601), (176, 106910), (220, 85528), (352, 53455), (440, 42764), (880, 21382), (1760, 10691)]