18202360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1009}}^1$

素因数の和:1072

約数の個数: 64

約数和(自身を含む): 45813600

約数和(自身を除く): 27611240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 164, 205, 220, 328, 410, 440, 451, 820, 902, 1009, 1640, 1804, 2018, 2255, 3608, 4036, 4510, 5045, 8072, 9020, 10090, 11099, 18040, 20180, 22198, 40360, 41369, 44396, 55495, 82738, 88792, 110990, 165476, 206845, 221980, 330952, 413690, 443960, 455059, 827380, 910118, 1654760, 1820236, 2275295, 3640472, 4550590, 9101180, 18202360]

約数ペア:

[(1, 18202360), (2, 9101180), (4, 4550590), (5, 3640472), (8, 2275295), (10, 1820236), (11, 1654760), (20, 910118), (22, 827380), (40, 455059), (41, 443960), (44, 413690), (55, 330952), (82, 221980), (88, 206845), (110, 165476), (164, 110990), (205, 88792), (220, 82738), (328, 55495), (410, 44396), (440, 41369), (451, 40360), (820, 22198), (902, 20180), (1009, 18040), (1640, 11099), (1804, 10090), (2018, 9020), (2255, 8072), (3608, 5045), (4036, 4510)]