18431499

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{857}}^1$

素因数の和:1034

約数の個数: 16

約数和(自身を含む): 25204608

約数和(自身を除く): 6773109

約数列:

[1, 3, 67, 107, 201, 321, 857, 2571, 7169, 21507, 57419, 91699, 172257, 275097, 6143833, 18431499]

約数ペア:

[(1, 18431499), (3, 6143833), (67, 275097), (107, 172257), (201, 91699), (321, 57419), (857, 21507), (2571, 7169)]