19381221

素因数分解:

$3^3\times {\mathrm{613}}^1\times {\mathrm{1171}}^1$

素因数の和:1793

約数の個数: 16

約数和(自身を含む): 28784320

約数和(自身を除く): 9403099

約数列:

[1, 3, 9, 27, 613, 1171, 1839, 3513, 5517, 10539, 16551, 31617, 717823, 2153469, 6460407, 19381221]

約数ペア:

[(1, 19381221), (3, 6460407), (9, 2153469), (27, 717823), (613, 31617), (1171, 16551), (1839, 10539), (3513, 5517)]