19401987

素因数分解:

$3^1\times {\mathrm{11}}^3\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:192

約数の個数: 32

約数和(自身を含む): 29373696

約数和(自身を除く): 9971709

約数列:

[1, 3, 11, 33, 43, 113, 121, 129, 339, 363, 473, 1243, 1331, 1419, 3729, 3993, 4859, 5203, 13673, 14577, 15609, 41019, 53449, 57233, 150403, 160347, 171699, 451209, 587939, 1763817, 6467329, 19401987]

約数ペア:

[(1, 19401987), (3, 6467329), (11, 1763817), (33, 587939), (43, 451209), (113, 171699), (121, 160347), (129, 150403), (339, 57233), (363, 53449), (473, 41019), (1243, 15609), (1331, 14577), (1419, 13673), (3729, 5203), (3993, 4859)]