19937555

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{19079}}^1$

素因数の和:19114

約数の個数: 16

約数和(自身を含む): 27475200

約数和(自身を除く): 7537645

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 19079, 95395, 209869, 362501, 1049345, 1812505, 3987511, 19937555]

約数ペア:

[(1, 19937555), (5, 3987511), (11, 1812505), (19, 1049345), (55, 362501), (95, 209869), (209, 95395), (1045, 19079)]