19845849

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{4051}}^1$

素因数の和:4148

約数の個数: 16

約数和(自身を含む): 28007424

約数和(自身を除く): 8161575

約数列:

[1, 3, 23, 69, 71, 213, 1633, 4051, 4899, 12153, 93173, 279519, 287621, 862863, 6615283, 19845849]

約数ペア:

[(1, 19845849), (3, 6615283), (23, 862863), (69, 287621), (71, 279519), (213, 93173), (1633, 12153), (4051, 4899)]