15921563

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{2029}}^1$

素因数の和:2114

約数の個数: 16

約数和(自身を含む): 19488000

約数和(自身を除く): 3566437

約数列:

[1, 7, 19, 59, 133, 413, 1121, 2029, 7847, 14203, 38551, 119711, 269857, 837977, 2274509, 15921563]

約数ペア:

[(1, 15921563), (7, 2274509), (19, 837977), (59, 269857), (133, 119711), (413, 38551), (1121, 14203), (2029, 7847)]