18404428

素因数分解:

$2^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{6143}}^1$

素因数の和:6261

約数の個数: 24

約数和(自身を含む): 37158912

約数和(自身を除く): 18754484

約数列:

[1, 2, 4, 7, 14, 28, 107, 214, 428, 749, 1498, 2996, 6143, 12286, 24572, 43001, 86002, 172004, 657301, 1314602, 2629204, 4601107, 9202214, 18404428]

約数ペア:

[(1, 18404428), (2, 9202214), (4, 4601107), (7, 2629204), (14, 1314602), (28, 657301), (107, 172004), (214, 86002), (428, 43001), (749, 24572), (1498, 12286), (2996, 6143)]