18856412

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{2113}}^1$

素因数の和:2237

約数の個数: 24

約数和(自身を含む): 34804896

約数和(自身を除く): 15948484

約数列:

[1, 2, 4, 23, 46, 92, 97, 194, 388, 2113, 2231, 4226, 4462, 8452, 8924, 48599, 97198, 194396, 204961, 409922, 819844, 4714103, 9428206, 18856412]

約数ペア:

[(1, 18856412), (2, 9428206), (4, 4714103), (23, 819844), (46, 409922), (92, 204961), (97, 194396), (194, 97198), (388, 48599), (2113, 8924), (2231, 8452), (4226, 4462)]