18421480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5981}}^1$

素因数の和:6010

約数の個数: 64

約数和(自身を含む): 51684480

約数和(自身を除く): 33263000

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 5981, 11962, 23924, 29905, 41867, 47848, 59810, 65791, 83734, 119620, 131582, 167468, 209335, 239240, 263164, 328955, 334936, 418670, 460537, 526328, 657910, 837340, 921074, 1315820, 1674680, 1842148, 2302685, 2631640, 3684296, 4605370, 9210740, 18421480]

約数ペア:

[(1, 18421480), (2, 9210740), (4, 4605370), (5, 3684296), (7, 2631640), (8, 2302685), (10, 1842148), (11, 1674680), (14, 1315820), (20, 921074), (22, 837340), (28, 657910), (35, 526328), (40, 460537), (44, 418670), (55, 334936), (56, 328955), (70, 263164), (77, 239240), (88, 209335), (110, 167468), (140, 131582), (154, 119620), (220, 83734), (280, 65791), (308, 59810), (385, 47848), (440, 41867), (616, 29905), (770, 23924), (1540, 11962), (3080, 5981)]