18111660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1487}}^1$

素因数の和:1535

約数の個数: 96

約数和(自身を含む): 59996160

約数和(自身を除く): 41884500

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 58, 60, 70, 84, 87, 105, 116, 140, 145, 174, 203, 210, 290, 348, 406, 420, 435, 580, 609, 812, 870, 1015, 1218, 1487, 1740, 2030, 2436, 2974, 3045, 4060, 4461, 5948, 6090, 7435, 8922, 10409, 12180, 14870, 17844, 20818, 22305, 29740, 31227, 41636, 43123, 44610, 52045, 62454, 86246, 89220, 104090, 124908, 129369, 156135, 172492, 208180, 215615, 258738, 301861, 312270, 431230, 517476, 603722, 624540, 646845, 862460, 905583, 1207444, 1293690, 1509305, 1811166, 2587380, 3018610, 3622332, 4527915, 6037220, 9055830, 18111660]

約数ペア:

[(1, 18111660), (2, 9055830), (3, 6037220), (4, 4527915), (5, 3622332), (6, 3018610), (7, 2587380), (10, 1811166), (12, 1509305), (14, 1293690), (15, 1207444), (20, 905583), (21, 862460), (28, 646845), (29, 624540), (30, 603722), (35, 517476), (42, 431230), (58, 312270), (60, 301861), (70, 258738), (84, 215615), (87, 208180), (105, 172492), (116, 156135), (140, 129369), (145, 124908), (174, 104090), (203, 89220), (210, 86246), (290, 62454), (348, 52045), (406, 44610), (420, 43123), (435, 41636), (580, 31227), (609, 29740), (812, 22305), (870, 20818), (1015, 17844), (1218, 14870), (1487, 12180), (1740, 10409), (2030, 8922), (2436, 7435), (2974, 6090), (3045, 5948), (4060, 4461)]