19885432

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{15439}}^1$

素因数の和:15475

約数の個数: 32

約数和(自身を含む): 44467200

約数和(自身を除く): 24581768

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 15439, 30878, 61756, 108073, 123512, 216146, 355097, 432292, 710194, 864584, 1420388, 2485679, 2840776, 4971358, 9942716, 19885432]

約数ペア:

[(1, 19885432), (2, 9942716), (4, 4971358), (7, 2840776), (8, 2485679), (14, 1420388), (23, 864584), (28, 710194), (46, 432292), (56, 355097), (92, 216146), (161, 123512), (184, 108073), (322, 61756), (644, 30878), (1288, 15439)]