18457340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{263}}^1$

素因数の和:323

約数の個数: 72

約数和(自身を含む): 44241120

約数和(自身を除く): 25783780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 121, 145, 220, 242, 263, 290, 319, 484, 526, 580, 605, 638, 1052, 1210, 1276, 1315, 1595, 2420, 2630, 2893, 3190, 3509, 5260, 5786, 6380, 7018, 7627, 11572, 14036, 14465, 15254, 17545, 28930, 30508, 31823, 35090, 38135, 57860, 63646, 70180, 76270, 83897, 127292, 152540, 159115, 167794, 318230, 335588, 419485, 636460, 838970, 922867, 1677940, 1845734, 3691468, 4614335, 9228670, 18457340]

約数ペア:

[(1, 18457340), (2, 9228670), (4, 4614335), (5, 3691468), (10, 1845734), (11, 1677940), (20, 922867), (22, 838970), (29, 636460), (44, 419485), (55, 335588), (58, 318230), (110, 167794), (116, 159115), (121, 152540), (145, 127292), (220, 83897), (242, 76270), (263, 70180), (290, 63646), (319, 57860), (484, 38135), (526, 35090), (580, 31823), (605, 30508), (638, 28930), (1052, 17545), (1210, 15254), (1276, 14465), (1315, 14036), (1595, 11572), (2420, 7627), (2630, 7018), (2893, 6380), (3190, 5786), (3509, 5260)]