18820218

素因数分解:

$2^1\times 3^1\times {\mathrm{157}}^1\times {\mathrm{19979}}^1$

素因数の和:20141

約数の個数: 16

約数和(自身を含む): 37882080

約数和(自身を除く): 19061862

約数列:

[1, 2, 3, 6, 157, 314, 471, 942, 19979, 39958, 59937, 119874, 3136703, 6273406, 9410109, 18820218]

約数ペア:

[(1, 18820218), (2, 9410109), (3, 6273406), (6, 3136703), (157, 119874), (314, 59937), (471, 39958), (942, 19979)]