18149120

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1289}}^1$

素因数の和:1321

約数の個数: 72

約数和(自身を含む): 47461680

約数和(自身を除く): 29312560

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, 1289, 1408, 1760, 2578, 2816, 3520, 5156, 6445, 7040, 10312, 12890, 14080, 14179, 20624, 25780, 28358, 41248, 51560, 56716, 70895, 82496, 103120, 113432, 141790, 164992, 206240, 226864, 283580, 329984, 412480, 453728, 567160, 824960, 907456, 1134320, 1649920, 1814912, 2268640, 3629824, 4537280, 9074560, 18149120]

約数ペア:

[(1, 18149120), (2, 9074560), (4, 4537280), (5, 3629824), (8, 2268640), (10, 1814912), (11, 1649920), (16, 1134320), (20, 907456), (22, 824960), (32, 567160), (40, 453728), (44, 412480), (55, 329984), (64, 283580), (80, 226864), (88, 206240), (110, 164992), (128, 141790), (160, 113432), (176, 103120), (220, 82496), (256, 70895), (320, 56716), (352, 51560), (440, 41248), (640, 28358), (704, 25780), (880, 20624), (1280, 14179), (1289, 14080), (1408, 12890), (1760, 10312), (2578, 7040), (2816, 6445), (3520, 5156)]