19161805

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{17341}}^1$

素因数の和:17376

約数の個数: 16

約数和(自身を含む): 26221104

約数和(自身を除く): 7059299

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 17341, 86705, 225433, 294797, 1127165, 1473985, 3832361, 19161805]

約数ペア:

[(1, 19161805), (5, 3832361), (13, 1473985), (17, 1127165), (65, 294797), (85, 225433), (221, 86705), (1105, 17341)]