19022003

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{613}}^1$

素因数の和:675

約数の個数: 32

約数和(自身を含む): 26406912

約数和(自身を除く): 7384909

約数列:

[1, 7, 11, 13, 31, 77, 91, 143, 217, 341, 403, 613, 1001, 2387, 2821, 4291, 4433, 6743, 7969, 19003, 31031, 47201, 55783, 87659, 133021, 209033, 247039, 613613, 1463231, 1729273, 2717429, 19022003]

約数ペア:

[(1, 19022003), (7, 2717429), (11, 1729273), (13, 1463231), (31, 613613), (77, 247039), (91, 209033), (143, 133021), (217, 87659), (341, 55783), (403, 47201), (613, 31031), (1001, 19003), (2387, 7969), (2821, 6743), (4291, 4433)]