19857387

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{8243}}^1$

素因数の和:8330

約数の個数: 16

約数和(自身を含む): 29282688

約数和(自身を除く): 9425301

約数列:

[1, 3, 11, 33, 73, 219, 803, 2409, 8243, 24729, 90673, 272019, 601739, 1805217, 6619129, 19857387]

約数ペア:

[(1, 19857387), (3, 6619129), (11, 1805217), (33, 601739), (73, 272019), (219, 90673), (803, 24729), (2409, 8243)]