18949805

素因数分解:

$5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{4133}}^1$

素因数の和:4276

約数の個数: 16

約数和(自身を含む): 26193024

約数和(自身を除く): 7243219

約数列:

[1, 5, 7, 35, 131, 655, 917, 4133, 4585, 20665, 28931, 144655, 541423, 2707115, 3789961, 18949805]

約数ペア:

[(1, 18949805), (5, 3789961), (7, 2707115), (35, 541423), (131, 144655), (655, 28931), (917, 20665), (4133, 4585)]