19697956

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1613}}^1$

素因数の和:1731

約数の個数: 24

約数和(自身を含む): 35792064

約数和(自身を除く): 16094108

約数列:

[1, 2, 4, 43, 71, 86, 142, 172, 284, 1613, 3053, 3226, 6106, 6452, 12212, 69359, 114523, 138718, 229046, 277436, 458092, 4924489, 9848978, 19697956]

約数ペア:

[(1, 19697956), (2, 9848978), (4, 4924489), (43, 458092), (71, 277436), (86, 229046), (142, 138718), (172, 114523), (284, 69359), (1613, 12212), (3053, 6452), (3226, 6106)]