18877047

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{271}}^1$

素因数の和:419

約数の個数: 32

約数和(自身を含む): 30081024

約数和(自身を除く): 11203977

約数列:

[1, 3, 7, 21, 31, 93, 107, 217, 271, 321, 651, 749, 813, 1897, 2247, 3317, 5691, 8401, 9951, 23219, 25203, 28997, 58807, 69657, 86991, 176421, 202979, 608937, 898907, 2696721, 6292349, 18877047]

約数ペア:

[(1, 18877047), (3, 6292349), (7, 2696721), (21, 898907), (31, 608937), (93, 202979), (107, 176421), (217, 86991), (271, 69657), (321, 58807), (651, 28997), (749, 25203), (813, 23219), (1897, 9951), (2247, 8401), (3317, 5691)]