18804907846

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1\times {\mathrm{347}}^1\times {\mathrm{2423}}^1$

素因数の和:3036

約数の個数: 32

約数和(自身を含む): 28970949888

約数和(自身を除く): 10166042042

約数列:

[1, 2, 53, 106, 211, 347, 422, 694, 2423, 4846, 11183, 18391, 22366, 36782, 73217, 128419, 146434, 256838, 511253, 840781, 1022506, 1681562, 3880501, 7761002, 27096409, 44561393, 54192818, 89122786, 177404791, 354809582, 9402453923, 18804907846]

約数ペア:

[(1, 18804907846), (2, 9402453923), (53, 354809582), (106, 177404791), (211, 89122786), (347, 54192818), (422, 44561393), (694, 27096409), (2423, 7761002), (4846, 3880501), (11183, 1681562), (18391, 1022506), (22366, 840781), (36782, 511253), (73217, 256838), (128419, 146434)]