19243315

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{42293}}^1$

素因数の和:42318

約数の個数: 16

約数和(自身を含む): 28421568

約数和(自身を除く): 9178253

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 42293, 211465, 296051, 549809, 1480255, 2749045, 3848663, 19243315]

約数ペア:

[(1, 19243315), (5, 3848663), (7, 2749045), (13, 1480255), (35, 549809), (65, 296051), (91, 211465), (455, 42293)]