18558880

素因数分解:

$2^5\times 5^1\times {\mathrm{193}}^1\times {\mathrm{601}}^1$

素因数の和:809

約数の個数: 48

約数和(自身を含む): 44145864

約数和(自身を除く): 25586984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 193, 386, 601, 772, 965, 1202, 1544, 1930, 2404, 3005, 3088, 3860, 4808, 6010, 6176, 7720, 9616, 12020, 15440, 19232, 24040, 30880, 48080, 96160, 115993, 231986, 463972, 579965, 927944, 1159930, 1855888, 2319860, 3711776, 4639720, 9279440, 18558880]

約数ペア:

[(1, 18558880), (2, 9279440), (4, 4639720), (5, 3711776), (8, 2319860), (10, 1855888), (16, 1159930), (20, 927944), (32, 579965), (40, 463972), (80, 231986), (160, 115993), (193, 96160), (386, 48080), (601, 30880), (772, 24040), (965, 19232), (1202, 15440), (1544, 12020), (1930, 9616), (2404, 7720), (3005, 6176), (3088, 6010), (3860, 4808)]