18803260

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{2741}}^1$

素因数の和:2771

約数の個数: 48

約数和(自身を含む): 46065600

約数和(自身を除く): 27262340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 2741, 3430, 5482, 6860, 10964, 13705, 19187, 27410, 38374, 54820, 76748, 95935, 134309, 191870, 268618, 383740, 537236, 671545, 940163, 1343090, 1880326, 2686180, 3760652, 4700815, 9401630, 18803260]

約数ペア:

[(1, 18803260), (2, 9401630), (4, 4700815), (5, 3760652), (7, 2686180), (10, 1880326), (14, 1343090), (20, 940163), (28, 671545), (35, 537236), (49, 383740), (70, 268618), (98, 191870), (140, 134309), (196, 95935), (245, 76748), (343, 54820), (490, 38374), (686, 27410), (980, 19187), (1372, 13705), (1715, 10964), (2741, 6860), (3430, 5482)]