18308745

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1$

素因数の和:311

約数の個数: 96

約数和(自身を含む): 41513472

約数和(自身を除く): 23204727

約数列:

[1, 3, 5, 7, 9, 13, 15, 17, 21, 35, 39, 45, 51, 63, 65, 85, 91, 105, 117, 119, 153, 195, 221, 255, 263, 273, 315, 357, 455, 585, 595, 663, 765, 789, 819, 1071, 1105, 1315, 1365, 1547, 1785, 1841, 1989, 2367, 3315, 3419, 3945, 4095, 4471, 4641, 5355, 5523, 7735, 9205, 9945, 10257, 11835, 13413, 13923, 16569, 17095, 22355, 23205, 23933, 27615, 30771, 31297, 40239, 51285, 58123, 67065, 69615, 71799, 82845, 93891, 119665, 153855, 156485, 174369, 201195, 215397, 281673, 290615, 358995, 406861, 469455, 523107, 871845, 1076985, 1220583, 1408365, 2034305, 2615535, 3661749, 6102915, 18308745]

約数ペア:

[(1, 18308745), (3, 6102915), (5, 3661749), (7, 2615535), (9, 2034305), (13, 1408365), (15, 1220583), (17, 1076985), (21, 871845), (35, 523107), (39, 469455), (45, 406861), (51, 358995), (63, 290615), (65, 281673), (85, 215397), (91, 201195), (105, 174369), (117, 156485), (119, 153855), (153, 119665), (195, 93891), (221, 82845), (255, 71799), (263, 69615), (273, 67065), (315, 58123), (357, 51285), (455, 40239), (585, 31297), (595, 30771), (663, 27615), (765, 23933), (789, 23205), (819, 22355), (1071, 17095), (1105, 16569), (1315, 13923), (1365, 13413), (1547, 11835), (1785, 10257), (1841, 9945), (1989, 9205), (2367, 7735), (3315, 5523), (3419, 5355), (3945, 4641), (4095, 4471)]