18661244

素因数分解:

$2^2\times 7^1\times {\mathrm{311}}^1\times {\mathrm{2143}}^1$

素因数の和:2465

約数の個数: 24

約数和(自身を含む): 37459968

約数和(自身を除く): 18798724

約数列:

[1, 2, 4, 7, 14, 28, 311, 622, 1244, 2143, 2177, 4286, 4354, 8572, 8708, 15001, 30002, 60004, 666473, 1332946, 2665892, 4665311, 9330622, 18661244]

約数ペア:

[(1, 18661244), (2, 9330622), (4, 4665311), (7, 2665892), (14, 1332946), (28, 666473), (311, 60004), (622, 30002), (1244, 15001), (2143, 8708), (2177, 8572), (4286, 4354)]