18648955

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{2539}}^1$

素因数の和:2670

約数の個数: 16

約数和(自身を含む): 24323040

約数和(自身を除く): 5674085

約数列:

[1, 5, 13, 65, 113, 565, 1469, 2539, 7345, 12695, 33007, 165035, 286907, 1434535, 3729791, 18648955]

約数ペア:

[(1, 18648955), (5, 3729791), (13, 1434535), (65, 286907), (113, 165035), (565, 33007), (1469, 12695), (2539, 7345)]