19786814

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{2053}}^1$

素因数の和:2195

約数の個数: 16

約数和(自身を含む): 30563520

約数和(自身を除く): 10776706

約数列:

[1, 2, 61, 79, 122, 158, 2053, 4106, 4819, 9638, 125233, 162187, 250466, 324374, 9893407, 19786814]

約数ペア:

[(1, 19786814), (2, 9893407), (61, 324374), (79, 250466), (122, 162187), (158, 125233), (2053, 9638), (4106, 4819)]