18285215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{7603}}^1$

素因数の和:7658

約数の個数: 16

約数和(自身を含む): 24271968

約数和(自身を除く): 5986753

約数列:

[1, 5, 13, 37, 65, 185, 481, 2405, 7603, 38015, 98839, 281311, 494195, 1406555, 3657043, 18285215]

約数ペア:

[(1, 18285215), (5, 3657043), (13, 1406555), (37, 494195), (65, 281311), (185, 98839), (481, 38015), (2405, 7603)]