18840060

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:408

約数の個数: 96

約数和(自身を含む): 59270400

約数和(自身を除く): 40430340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 139, 180, 251, 270, 278, 417, 502, 540, 556, 695, 753, 834, 1004, 1251, 1255, 1390, 1506, 1668, 2085, 2259, 2502, 2510, 2780, 3012, 3753, 3765, 4170, 4518, 5004, 5020, 6255, 6777, 7506, 7530, 8340, 9036, 11295, 12510, 13554, 15012, 15060, 18765, 22590, 25020, 27108, 33885, 34889, 37530, 45180, 67770, 69778, 75060, 104667, 135540, 139556, 174445, 209334, 314001, 348890, 418668, 523335, 628002, 697780, 942003, 1046670, 1256004, 1570005, 1884006, 2093340, 3140010, 3768012, 4710015, 6280020, 9420030, 18840060]

約数ペア:

[(1, 18840060), (2, 9420030), (3, 6280020), (4, 4710015), (5, 3768012), (6, 3140010), (9, 2093340), (10, 1884006), (12, 1570005), (15, 1256004), (18, 1046670), (20, 942003), (27, 697780), (30, 628002), (36, 523335), (45, 418668), (54, 348890), (60, 314001), (90, 209334), (108, 174445), (135, 139556), (139, 135540), (180, 104667), (251, 75060), (270, 69778), (278, 67770), (417, 45180), (502, 37530), (540, 34889), (556, 33885), (695, 27108), (753, 25020), (834, 22590), (1004, 18765), (1251, 15060), (1255, 15012), (1390, 13554), (1506, 12510), (1668, 11295), (2085, 9036), (2259, 8340), (2502, 7530), (2510, 7506), (2780, 6777), (3012, 6255), (3753, 5020), (3765, 5004), (4170, 4518)]