12991918

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{4787}}^1$

素因数の和:4871

約数の個数: 16

約数和(自身を含む): 20684160

約数和(自身を除く): 7692242

約数列:

[1, 2, 23, 46, 59, 118, 1357, 2714, 4787, 9574, 110101, 220202, 282433, 564866, 6495959, 12991918]

約数ペア:

[(1, 12991918), (2, 6495959), (23, 564866), (46, 282433), (59, 220202), (118, 110101), (1357, 9574), (2714, 4787)]