18695152

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2351}}^1$

素因数の和:2437

約数の個数: 40

約数和(自身を含む): 41997312

約数和(自身を除く): 23302160

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 284, 497, 568, 994, 1136, 1988, 2351, 3976, 4702, 7952, 9404, 16457, 18808, 32914, 37616, 65828, 131656, 166921, 263312, 333842, 667684, 1168447, 1335368, 2336894, 2670736, 4673788, 9347576, 18695152]

約数ペア:

[(1, 18695152), (2, 9347576), (4, 4673788), (7, 2670736), (8, 2336894), (14, 1335368), (16, 1168447), (28, 667684), (56, 333842), (71, 263312), (112, 166921), (142, 131656), (284, 65828), (497, 37616), (568, 32914), (994, 18808), (1136, 16457), (1988, 9404), (2351, 7952), (3976, 4702)]