15979874

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{1993}}^1$

素因数の和:2225

約数の個数: 16

約数和(自身を含む): 25363680

約数和(自身を除く): 9383806

約数列:

[1, 2, 19, 38, 211, 422, 1993, 3986, 4009, 8018, 37867, 75734, 420523, 841046, 7989937, 15979874]

約数ペア:

[(1, 15979874), (2, 7989937), (19, 841046), (38, 420523), (211, 75734), (422, 37867), (1993, 8018), (3986, 4009)]