19239115

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{4133}}^1$

素因数の和:4171

約数の個数: 24

約数和(自身を含む): 28276560

約数和(自身を除く): 9037445

約数列:

[1, 5, 7, 19, 35, 49, 95, 133, 245, 665, 931, 4133, 4655, 20665, 28931, 78527, 144655, 202517, 392635, 549689, 1012585, 2748445, 3847823, 19239115]

約数ペア:

[(1, 19239115), (5, 3847823), (7, 2748445), (19, 1012585), (35, 549689), (49, 392635), (95, 202517), (133, 144655), (245, 78527), (665, 28931), (931, 20665), (4133, 4655)]