19263871

素因数分解:

${\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{293}}^1$

素因数の和:486

約数の個数: 16

約数和(自身を含む): 21732480

約数和(自身を除く): 2468609

約数列:

[1, 11, 43, 139, 293, 473, 1529, 3223, 5977, 12599, 40727, 65747, 138589, 447997, 1751261, 19263871]

約数ペア:

[(1, 19263871), (11, 1751261), (43, 447997), (139, 138589), (293, 65747), (473, 40727), (1529, 12599), (3223, 5977)]