18951885

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{18311}}^1$

素因数の和:18345

約数の個数: 24

約数和(自身を含む): 34280064

約数和(自身を除く): 15328179

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 18311, 54933, 91555, 164799, 274665, 421153, 823995, 1263459, 2105765, 3790377, 6317295, 18951885]

約数ペア:

[(1, 18951885), (3, 6317295), (5, 3790377), (9, 2105765), (15, 1263459), (23, 823995), (45, 421153), (69, 274665), (115, 164799), (207, 91555), (345, 54933), (1035, 18311)]