18427508

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 37255680

約数和(自身を除く): 18828172

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 131, 139, 253, 262, 278, 506, 524, 556, 1012, 1441, 1529, 2882, 3013, 3058, 3197, 5764, 6026, 6116, 6394, 12052, 12788, 18209, 33143, 35167, 36418, 66286, 70334, 72836, 132572, 140668, 200299, 400598, 418807, 801196, 837614, 1675228, 4606877, 9213754, 18427508]

約数ペア:

[(1, 18427508), (2, 9213754), (4, 4606877), (11, 1675228), (22, 837614), (23, 801196), (44, 418807), (46, 400598), (92, 200299), (131, 140668), (139, 132572), (253, 72836), (262, 70334), (278, 66286), (506, 36418), (524, 35167), (556, 33143), (1012, 18209), (1441, 12788), (1529, 12052), (2882, 6394), (3013, 6116), (3058, 6026), (3197, 5764)]