18565495

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{173}}^1$

素因数の和:331

約数の個数: 24

約数和(自身を含む): 24454656

約数和(自身を除く): 5889161

約数列:

[1, 5, 13, 65, 127, 169, 173, 635, 845, 865, 1651, 2249, 8255, 11245, 21463, 21971, 29237, 107315, 109855, 146185, 285623, 1428115, 3713099, 18565495]

約数ペア:

[(1, 18565495), (5, 3713099), (13, 1428115), (65, 285623), (127, 146185), (169, 109855), (173, 107315), (635, 29237), (845, 21971), (865, 21463), (1651, 11245), (2249, 8255)]