18694808

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1949}}^1$

素因数の和:2075

約数の個数: 32

約数和(自身を含む): 38610000

約数和(自身を除く): 19915192

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 109, 218, 436, 872, 1199, 1949, 2398, 3898, 4796, 7796, 9592, 15592, 21439, 42878, 85756, 171512, 212441, 424882, 849764, 1699528, 2336851, 4673702, 9347404, 18694808]

約数ペア:

[(1, 18694808), (2, 9347404), (4, 4673702), (8, 2336851), (11, 1699528), (22, 849764), (44, 424882), (88, 212441), (109, 171512), (218, 85756), (436, 42878), (872, 21439), (1199, 15592), (1949, 9592), (2398, 7796), (3898, 4796)]