18995735

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{2521}}^1$

素因数の和:2674

約数の個数: 16

約数和(自身を含む): 25058592

約数和(自身を除く): 6062857

約数列:

[1, 5, 11, 55, 137, 685, 1507, 2521, 7535, 12605, 27731, 138655, 345377, 1726885, 3799147, 18995735]

約数ペア:

[(1, 18995735), (5, 3799147), (11, 1726885), (55, 345377), (137, 138655), (685, 27731), (1507, 12605), (2521, 7535)]