19005116921

素因数分解:

$7^2\times {\mathrm{643}}^1\times {\mathrm{603203}}^1$

素因数の和:603860

約数の個数: 12

約数和(自身を含む): 22142412432

約数和(自身を除く): 3137295511

約数列:

[1, 7, 49, 643, 4501, 31507, 603203, 4222421, 29556947, 387859529, 2715016703, 19005116921]

約数ペア:

[(1, 19005116921), (7, 2715016703), (49, 387859529), (643, 29556947), (4501, 4222421), (31507, 603203)]