18531513

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1$

素因数の和:76

約数の個数: 96

約数和(自身を含む): 38368512

約数和(自身を除く): 19836999

約数列:

[1, 3, 7, 9, 11, 13, 17, 21, 33, 39, 51, 63, 77, 91, 99, 117, 119, 121, 143, 153, 187, 221, 231, 273, 357, 363, 429, 561, 663, 693, 819, 847, 1001, 1071, 1089, 1287, 1309, 1331, 1547, 1573, 1683, 1989, 2057, 2431, 2541, 3003, 3927, 3993, 4641, 4719, 6171, 7293, 7623, 9009, 9317, 11011, 11781, 11979, 13923, 14157, 14399, 17017, 17303, 18513, 21879, 22627, 26741, 27951, 33033, 43197, 51051, 51909, 67881, 80223, 83853, 99099, 121121, 129591, 153153, 155727, 158389, 187187, 203643, 240669, 294151, 363363, 475167, 561561, 882453, 1090089, 1425501, 1684683, 2059057, 2647359, 6177171, 18531513]

約数ペア:

[(1, 18531513), (3, 6177171), (7, 2647359), (9, 2059057), (11, 1684683), (13, 1425501), (17, 1090089), (21, 882453), (33, 561561), (39, 475167), (51, 363363), (63, 294151), (77, 240669), (91, 203643), (99, 187187), (117, 158389), (119, 155727), (121, 153153), (143, 129591), (153, 121121), (187, 99099), (221, 83853), (231, 80223), (273, 67881), (357, 51909), (363, 51051), (429, 43197), (561, 33033), (663, 27951), (693, 26741), (819, 22627), (847, 21879), (1001, 18513), (1071, 17303), (1089, 17017), (1287, 14399), (1309, 14157), (1331, 13923), (1547, 11979), (1573, 11781), (1683, 11011), (1989, 9317), (2057, 9009), (2431, 7623), (2541, 7293), (3003, 6171), (3927, 4719), (3993, 4641)]