18708755

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{16931}}^1$

素因数の和:16966

約数の個数: 16

約数和(自身を含む): 25601184

約数和(自身を除く): 6892429

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 16931, 84655, 220103, 287827, 1100515, 1439135, 3741751, 18708755]

約数ペア:

[(1, 18708755), (5, 3741751), (13, 1439135), (17, 1100515), (65, 287827), (85, 220103), (221, 84655), (1105, 16931)]