19490009

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{6841}}^1$

素因数の和:6896

約数の個数: 16

約数和(自身を含む): 24959616

約数和(自身を除く): 5469607

約数列:

[1, 7, 11, 37, 77, 259, 407, 2849, 6841, 47887, 75251, 253117, 526757, 1771819, 2784287, 19490009]

約数ペア:

[(1, 19490009), (7, 2784287), (11, 1771819), (37, 526757), (77, 253117), (259, 75251), (407, 47887), (2849, 6841)]