18954397

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{6653}}^1$

素因数の和:6708

約数の個数: 16

約数和(自身を含む): 24273792

約数和(自身を除く): 5319395

約数列:

[1, 7, 11, 37, 77, 259, 407, 2849, 6653, 46571, 73183, 246161, 512281, 1723127, 2707771, 18954397]

約数ペア:

[(1, 18954397), (7, 2707771), (11, 1723127), (37, 512281), (77, 246161), (259, 73183), (407, 46571), (2849, 6653)]