18660572

素因数分解:

$2^2\times 7^4\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:128

約数の個数: 60

約数和(自身を含む): 39998280

約数和(自身を除く): 21337708

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 67, 98, 116, 134, 196, 203, 268, 343, 406, 469, 686, 812, 938, 1372, 1421, 1876, 1943, 2401, 2842, 3283, 3886, 4802, 5684, 6566, 7772, 9604, 9947, 13132, 13601, 19894, 22981, 27202, 39788, 45962, 54404, 69629, 91924, 95207, 139258, 160867, 190414, 278516, 321734, 380828, 643468, 666449, 1332898, 2665796, 4665143, 9330286, 18660572]

約数ペア:

[(1, 18660572), (2, 9330286), (4, 4665143), (7, 2665796), (14, 1332898), (28, 666449), (29, 643468), (49, 380828), (58, 321734), (67, 278516), (98, 190414), (116, 160867), (134, 139258), (196, 95207), (203, 91924), (268, 69629), (343, 54404), (406, 45962), (469, 39788), (686, 27202), (812, 22981), (938, 19894), (1372, 13601), (1421, 13132), (1876, 9947), (1943, 9604), (2401, 7772), (2842, 6566), (3283, 5684), (3886, 4802)]