18805912

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{293}}^1$

素因数の和:483

約数の個数: 32

約数和(自身を含む): 36197280

約数和(自身を除く): 17391368

約数列:

[1, 2, 4, 8, 71, 113, 142, 226, 284, 293, 452, 568, 586, 904, 1172, 2344, 8023, 16046, 20803, 32092, 33109, 41606, 64184, 66218, 83212, 132436, 166424, 264872, 2350739, 4701478, 9402956, 18805912]

約数ペア:

[(1, 18805912), (2, 9402956), (4, 4701478), (8, 2350739), (71, 264872), (113, 166424), (142, 132436), (226, 83212), (284, 66218), (293, 64184), (452, 41606), (568, 33109), (586, 32092), (904, 20803), (1172, 16046), (2344, 8023)]