18765339

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{1103}}^1$

素因数の和:1266

約数の個数: 16

約数和(自身を含む): 25754112

約数和(自身を除く): 6988773

約数列:

[1, 3, 53, 107, 159, 321, 1103, 3309, 5671, 17013, 58459, 118021, 175377, 354063, 6255113, 18765339]

約数ペア:

[(1, 18765339), (3, 6255113), (53, 354063), (107, 175377), (159, 118021), (321, 58459), (1103, 17013), (3309, 5671)]