18991170045

素因数分解:

$3^2\times 5^1\times {\mathrm{373}}^1\times {\mathrm{1131437}}^1$

素因数の和:1131821

約数の個数: 24

約数和(自身を含む): 33006309336

約数和(自身を除く): 14015139291

約数列:

[1, 3, 5, 9, 15, 45, 373, 1119, 1865, 3357, 5595, 16785, 1131437, 3394311, 5657185, 10182933, 16971555, 50914665, 422026001, 1266078003, 2110130005, 3798234009, 6330390015, 18991170045]

約数ペア:

[(1, 18991170045), (3, 6330390015), (5, 3798234009), (9, 2110130005), (15, 1266078003), (45, 422026001), (373, 50914665), (1119, 16971555), (1865, 10182933), (3357, 5657185), (5595, 3394311), (16785, 1131437)]