19388611221

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{19643983}}^1$

素因数の和:19644040

約数の個数: 16

約数和(自身を含む): 30173159424

約数和(自身を除く): 10784548203

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 19643983, 58931949, 137507881, 412523643, 923267201, 2769801603, 6462870407, 19388611221]

約数ペア:

[(1, 19388611221), (3, 6462870407), (7, 2769801603), (21, 923267201), (47, 412523643), (141, 137507881), (329, 58931949), (987, 19643983)]