19948445

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{7717}}^1$

素因数の和:7780

約数の個数: 16

約数和(自身を含む): 26673408

約数和(自身を除く): 6724963

約数列:

[1, 5, 11, 47, 55, 235, 517, 2585, 7717, 38585, 84887, 362699, 424435, 1813495, 3989689, 19948445]

約数ペア:

[(1, 19948445), (5, 3989689), (11, 1813495), (47, 424435), (55, 362699), (235, 84887), (517, 38585), (2585, 7717)]