18207189

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:127

約数の個数: 96

約数和(自身を含む): 36900864

約数和(自身を除く): 18693675

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 43, 47, 63, 77, 91, 99, 117, 129, 141, 143, 231, 273, 301, 329, 387, 423, 429, 473, 517, 559, 611, 693, 819, 903, 987, 1001, 1287, 1419, 1551, 1677, 1833, 2021, 2709, 2961, 3003, 3311, 3619, 3913, 4257, 4277, 4653, 5031, 5499, 6063, 6149, 6721, 9009, 9933, 10857, 11739, 12831, 14147, 18189, 18447, 20163, 22231, 26273, 29799, 32571, 35217, 38493, 42441, 43043, 47047, 55341, 60489, 66693, 78819, 127323, 129129, 141141, 155617, 183911, 200079, 236457, 289003, 387387, 423423, 466851, 551733, 867009, 1400553, 1655199, 2023021, 2601027, 6069063, 18207189]

約数ペア:

[(1, 18207189), (3, 6069063), (7, 2601027), (9, 2023021), (11, 1655199), (13, 1400553), (21, 867009), (33, 551733), (39, 466851), (43, 423423), (47, 387387), (63, 289003), (77, 236457), (91, 200079), (99, 183911), (117, 155617), (129, 141141), (141, 129129), (143, 127323), (231, 78819), (273, 66693), (301, 60489), (329, 55341), (387, 47047), (423, 43043), (429, 42441), (473, 38493), (517, 35217), (559, 32571), (611, 29799), (693, 26273), (819, 22231), (903, 20163), (987, 18447), (1001, 18189), (1287, 14147), (1419, 12831), (1551, 11739), (1677, 10857), (1833, 9933), (2021, 9009), (2709, 6721), (2961, 6149), (3003, 6063), (3311, 5499), (3619, 5031), (3913, 4653), (4257, 4277)]