19816653

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{2207}}^1$

素因数の和:2324

約数の個数: 16

約数和(自身を含む): 27449856

約数和(自身を除く): 7633203

約数列:

[1, 3, 41, 73, 123, 219, 2207, 2993, 6621, 8979, 90487, 161111, 271461, 483333, 6605551, 19816653]

約数ペア:

[(1, 19816653), (3, 6605551), (41, 483333), (73, 271461), (123, 161111), (219, 90487), (2207, 8979), (2993, 6621)]