19941519

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{1613}}^1$

素因数の和:1946

約数の個数: 16

約数和(自身を含む): 28742112

約数和(自身を除く): 8800593

約数列:

[1, 3, 13, 39, 317, 951, 1613, 4121, 4839, 12363, 20969, 62907, 511321, 1533963, 6647173, 19941519]

約数ペア:

[(1, 19941519), (3, 6647173), (13, 1533963), (39, 511321), (317, 62907), (951, 20969), (1613, 12363), (4121, 4839)]