18468751

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{743}}^1$

素因数の和:870

約数の個数: 16

約数和(自身を含む): 21855744

約数和(自身を除く): 3386993

約数列:

[1, 7, 53, 67, 371, 469, 743, 3551, 5201, 24857, 39379, 49781, 275653, 348467, 2638393, 18468751]

約数ペア:

[(1, 18468751), (7, 2638393), (53, 348467), (67, 275653), (371, 49781), (469, 39379), (743, 24857), (3551, 5201)]