19381851

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{547}}^1$

素因数の和:711

約数の個数: 24

約数和(自身を含む): 29179904

約数和(自身を除く): 9798053

約数列:

[1, 3, 9, 31, 93, 127, 279, 381, 547, 1143, 1641, 3937, 4923, 11811, 16957, 35433, 50871, 69469, 152613, 208407, 625221, 2153539, 6460617, 19381851]

約数ペア:

[(1, 19381851), (3, 6460617), (9, 2153539), (31, 625221), (93, 208407), (127, 152613), (279, 69469), (381, 50871), (547, 35433), (1143, 16957), (1641, 11811), (3937, 4923)]