18788516

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{443}}^1\times {\mathrm{461}}^1$

素因数の和:931

約数の個数: 24

約数和(自身を含む): 34461504

約数和(自身を除く): 15672988

約数列:

[1, 2, 4, 23, 46, 92, 443, 461, 886, 922, 1772, 1844, 10189, 10603, 20378, 21206, 40756, 42412, 204223, 408446, 816892, 4697129, 9394258, 18788516]

約数ペア:

[(1, 18788516), (2, 9394258), (4, 4697129), (23, 816892), (46, 408446), (92, 204223), (443, 42412), (461, 40756), (886, 21206), (922, 20378), (1772, 10603), (1844, 10189)]