2018213729

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{7879}}^1$

素因数の和:7989

約数の個数: 32

約数和(自身を含む): 2529669120

約数和(自身を除く): 511455391

約数列:

[1, 7, 23, 37, 43, 161, 259, 301, 851, 989, 1591, 5957, 6923, 7879, 11137, 36593, 55153, 181217, 256151, 291523, 338797, 1268519, 2040661, 2371579, 6705029, 7792331, 12535489, 46935203, 54546317, 87748423, 288316247, 2018213729]

約数ペア:

[(1, 2018213729), (7, 288316247), (23, 87748423), (37, 54546317), (43, 46935203), (161, 12535489), (259, 7792331), (301, 6705029), (851, 2371579), (989, 2040661), (1591, 1268519), (5957, 338797), (6923, 291523), (7879, 256151), (11137, 181217), (36593, 55153)]