19856452

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2803}}^1$

素因数の和:2848

約数の個数: 48

約数和(自身を含む): 45222912

約数和(自身を除く): 25366460

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 77, 92, 154, 161, 253, 308, 322, 506, 644, 1012, 1771, 2803, 3542, 5606, 7084, 11212, 19621, 30833, 39242, 61666, 64469, 78484, 123332, 128938, 215831, 257876, 431662, 451283, 709159, 863324, 902566, 1418318, 1805132, 2836636, 4964113, 9928226, 19856452]

約数ペア:

[(1, 19856452), (2, 9928226), (4, 4964113), (7, 2836636), (11, 1805132), (14, 1418318), (22, 902566), (23, 863324), (28, 709159), (44, 451283), (46, 431662), (77, 257876), (92, 215831), (154, 128938), (161, 123332), (253, 78484), (308, 64469), (322, 61666), (506, 39242), (644, 30833), (1012, 19621), (1771, 11212), (2803, 7084), (3542, 5606)]