18718527

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{4049}}^1$

素因数の和:4142

約数の個数: 16

約数和(自身を含む): 26438400

約数和(自身を除く): 7719873

約数列:

[1, 3, 23, 67, 69, 201, 1541, 4049, 4623, 12147, 93127, 271283, 279381, 813849, 6239509, 18718527]

約数ペア:

[(1, 18718527), (3, 6239509), (23, 813849), (67, 279381), (69, 271283), (201, 93127), (1541, 12147), (4049, 4623)]