18875949

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{197}}^1$

素因数の和:301

約数の個数: 24

約数和(自身を含む): 27292320

約数和(自身を除く): 8416371

約数列:

[1, 3, 19, 41, 57, 123, 197, 591, 779, 1681, 2337, 3743, 5043, 8077, 11229, 24231, 31939, 95817, 153463, 331157, 460389, 993471, 6291983, 18875949]

約数ペア:

[(1, 18875949), (3, 6291983), (19, 993471), (41, 460389), (57, 331157), (123, 153463), (197, 95817), (591, 31939), (779, 24231), (1681, 11229), (2337, 8077), (3743, 5043)]