18690003

素因数分解:

$3^2\times {\mathrm{317}}^1\times {\mathrm{6551}}^1$

素因数の和:6874

約数の個数: 12

約数和(自身を含む): 27085968

約数和(自身を除く): 8395965

約数列:

[1, 3, 9, 317, 951, 2853, 6551, 19653, 58959, 2076667, 6230001, 18690003]

約数ペア:

[(1, 18690003), (3, 6230001), (9, 2076667), (317, 58959), (951, 19653), (2853, 6551)]