18605665

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{1453}}^1$

素因数の和:1668

約数の個数: 16

約数和(自身を含む): 24182928

約数和(自身を除く): 5577263

約数列:

[1, 5, 13, 65, 197, 985, 1453, 2561, 7265, 12805, 18889, 94445, 286241, 1431205, 3721133, 18605665]

約数ペア:

[(1, 18605665), (5, 3721133), (13, 1431205), (65, 286241), (197, 94445), (985, 18889), (1453, 12805), (2561, 7265)]