18587988

素因数分解:

$2^2\times 3^3\times {\mathrm{109}}^1\times {\mathrm{1579}}^1$

素因数の和:1701

約数の個数: 48

約数和(自身を含む): 48664000

約数和(自身を除く): 30076012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 109, 218, 327, 436, 654, 981, 1308, 1579, 1962, 2943, 3158, 3924, 4737, 5886, 6316, 9474, 11772, 14211, 18948, 28422, 42633, 56844, 85266, 170532, 172111, 344222, 516333, 688444, 1032666, 1548999, 2065332, 3097998, 4646997, 6195996, 9293994, 18587988]

約数ペア:

[(1, 18587988), (2, 9293994), (3, 6195996), (4, 4646997), (6, 3097998), (9, 2065332), (12, 1548999), (18, 1032666), (27, 688444), (36, 516333), (54, 344222), (108, 172111), (109, 170532), (218, 85266), (327, 56844), (436, 42633), (654, 28422), (981, 18948), (1308, 14211), (1579, 11772), (1962, 9474), (2943, 6316), (3158, 5886), (3924, 4737)]