18318080

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1301}}^1$

素因数の和:1333

約数の個数: 72

約数和(自身を含む): 47903184

約数和(自身を除く): 29585104

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1301, 1408, 1760, 2602, 2816, 3520, 5204, 6505, 7040, 10408, 13010, 14080, 14311, 20816, 26020, 28622, 41632, 52040, 57244, 71555, 83264, 104080, 114488, 143110, 166528, 208160, 228976, 286220, 333056, 416320, 457952, 572440, 832640, 915904, 1144880, 1665280, 1831808, 2289760, 3663616, 4579520, 9159040, 18318080]

約数ペア:

[(1, 18318080), (2, 9159040), (4, 4579520), (5, 3663616), (8, 2289760), (10, 1831808), (11, 1665280), (16, 1144880), (20, 915904), (22, 832640), (32, 572440), (40, 457952), (44, 416320), (55, 333056), (64, 286220), (80, 228976), (88, 208160), (110, 166528), (128, 143110), (160, 114488), (176, 104080), (220, 83264), (256, 71555), (320, 57244), (352, 52040), (440, 41632), (640, 28622), (704, 26020), (880, 20816), (1280, 14311), (1301, 14080), (1408, 13010), (1760, 10408), (2602, 7040), (2816, 6505), (3520, 5204)]