18937851

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{7069}}^1$

素因数の和:7138

約数の個数: 16

約数和(自身を含む): 27148800

約数和(自身を除く): 8210949

約数列:

[1, 3, 19, 47, 57, 141, 893, 2679, 7069, 21207, 134311, 332243, 402933, 996729, 6312617, 18937851]

約数ペア:

[(1, 18937851), (3, 6312617), (19, 996729), (47, 402933), (57, 332243), (141, 134311), (893, 21207), (2679, 7069)]