20018818

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{8929}}^1$

素因数の和:9009

約数の個数: 16

約数和(自身を含む): 32148000

約数和(自身を除く): 12129182

約数列:

[1, 2, 19, 38, 59, 118, 1121, 2242, 8929, 17858, 169651, 339302, 526811, 1053622, 10009409, 20018818]

約数ペア:

[(1, 20018818), (2, 10009409), (19, 1053622), (38, 526811), (59, 339302), (118, 169651), (1121, 17858), (2242, 8929)]