19872896

素因数分解:

$2^7\times {\mathrm{107}}^1\times {\mathrm{1451}}^1$

素因数の和:1572

約数の個数: 32

約数和(自身を含む): 39988080

約数和(自身を除く): 20115184

約数列:

[1, 2, 4, 8, 16, 32, 64, 107, 128, 214, 428, 856, 1451, 1712, 2902, 3424, 5804, 6848, 11608, 13696, 23216, 46432, 92864, 155257, 185728, 310514, 621028, 1242056, 2484112, 4968224, 9936448, 19872896]

約数ペア:

[(1, 19872896), (2, 9936448), (4, 4968224), (8, 2484112), (16, 1242056), (32, 621028), (64, 310514), (107, 185728), (128, 155257), (214, 92864), (428, 46432), (856, 23216), (1451, 13696), (1712, 11608), (2902, 6848), (3424, 5804)]