18605291276

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{458123}}^1$

素因数の和:458222

約数の個数: 48

約数和(自身を含む): 38790275328

約数和(自身を除く): 20184984052

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 71, 142, 143, 284, 286, 572, 781, 923, 1562, 1846, 3124, 3692, 10153, 20306, 40612, 458123, 916246, 1832492, 5039353, 5955599, 10078706, 11911198, 20157412, 23822396, 32526733, 65053466, 65511589, 130106932, 131023178, 262046356, 357794063, 422847529, 715588126, 845695058, 1431176252, 1691390116, 4651322819, 9302645638, 18605291276]

約数ペア:

[(1, 18605291276), (2, 9302645638), (4, 4651322819), (11, 1691390116), (13, 1431176252), (22, 845695058), (26, 715588126), (44, 422847529), (52, 357794063), (71, 262046356), (142, 131023178), (143, 130106932), (284, 65511589), (286, 65053466), (572, 32526733), (781, 23822396), (923, 20157412), (1562, 11911198), (1846, 10078706), (3124, 5955599), (3692, 5039353), (10153, 1832492), (20306, 916246), (40612, 458123)]