18560181

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{1103}}^1$

素因数の和:1256

約数の個数: 16

約数和(自身を含む): 25436160

約数和(自身を除く): 6875979

約数列:

[1, 3, 71, 79, 213, 237, 1103, 3309, 5609, 16827, 78313, 87137, 234939, 261411, 6186727, 18560181]

約数ペア:

[(1, 18560181), (3, 6186727), (71, 261411), (79, 234939), (213, 87137), (237, 78313), (1103, 16827), (3309, 5609)]