18083120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20549}}^1$

素因数の和:20573

約数の個数: 40

約数和(自身を含む): 45867600

約数和(自身を除く): 27784480

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 20549, 41098, 82196, 102745, 164392, 205490, 226039, 328784, 410980, 452078, 821960, 904156, 1130195, 1643920, 1808312, 2260390, 3616624, 4520780, 9041560, 18083120]

約数ペア:

[(1, 18083120), (2, 9041560), (4, 4520780), (5, 3616624), (8, 2260390), (10, 1808312), (11, 1643920), (16, 1130195), (20, 904156), (22, 821960), (40, 452078), (44, 410980), (55, 328784), (80, 226039), (88, 205490), (110, 164392), (176, 102745), (220, 82196), (440, 41098), (880, 20549)]