18721137

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{6197}}^1$

素因数の和:6272

約数の個数: 16

約数和(自身を含む): 26775360

約数和(自身を除く): 8054223

約数列:

[1, 3, 19, 53, 57, 159, 1007, 3021, 6197, 18591, 117743, 328441, 353229, 985323, 6240379, 18721137]

約数ペア:

[(1, 18721137), (3, 6240379), (19, 985323), (53, 353229), (57, 328441), (159, 117743), (1007, 18591), (3021, 6197)]