18019617

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{78007}}^1$

素因数の和:78028

約数の個数: 16

約数和(自身を含む): 29955072

約数和(自身を除く): 11935455

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 78007, 234021, 546049, 858077, 1638147, 2574231, 6006539, 18019617]

約数ペア:

[(1, 18019617), (3, 6006539), (7, 2574231), (11, 1638147), (21, 858077), (33, 546049), (77, 234021), (231, 78007)]