19974135

素因数分解:

$3^1\times 5^1\times {\mathrm{863}}^1\times {\mathrm{1543}}^1$

素因数の和:2414

約数の個数: 16

約数和(自身を含む): 32016384

約数和(自身を除く): 12042249

約数列:

[1, 3, 5, 15, 863, 1543, 2589, 4315, 4629, 7715, 12945, 23145, 1331609, 3994827, 6658045, 19974135]

約数ペア:

[(1, 19974135), (3, 6658045), (5, 3994827), (15, 1331609), (863, 23145), (1543, 12945), (2589, 7715), (4315, 4629)]