19956363

素因数分解:

$3^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{1867}}^1$

素因数の和:2386

約数の個数: 16

約数和(自身を含む): 30485760

約数和(自身を除く): 10529397

約数列:

[1, 3, 7, 21, 509, 1527, 1867, 3563, 5601, 10689, 13069, 39207, 950303, 2850909, 6652121, 19956363]

約数ペア:

[(1, 19956363), (3, 6652121), (7, 2850909), (21, 950303), (509, 39207), (1527, 13069), (1867, 10689), (3563, 5601)]