19534636

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 39513600

約数和(自身を除く): 19978964

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 97, 194, 199, 253, 388, 398, 506, 796, 1012, 1067, 2134, 2189, 2231, 4268, 4378, 4462, 4577, 8756, 8924, 9154, 18308, 19303, 24541, 38606, 49082, 50347, 77212, 98164, 100694, 201388, 212333, 424666, 443969, 849332, 887938, 1775876, 4883659, 9767318, 19534636]

約数ペア:

[(1, 19534636), (2, 9767318), (4, 4883659), (11, 1775876), (22, 887938), (23, 849332), (44, 443969), (46, 424666), (92, 212333), (97, 201388), (194, 100694), (199, 98164), (253, 77212), (388, 50347), (398, 49082), (506, 38606), (796, 24541), (1012, 19303), (1067, 18308), (2134, 9154), (2189, 8924), (2231, 8756), (4268, 4577), (4378, 4462)]