19200276

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1$

素因数の和:393

約数の個数: 72

約数和(自身を含む): 51990120

約数和(自身を除く): 32789844

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 137, 153, 204, 229, 274, 306, 411, 458, 548, 612, 687, 822, 916, 1233, 1374, 1644, 2061, 2329, 2466, 2748, 3893, 4122, 4658, 4932, 6987, 7786, 8244, 9316, 11679, 13974, 15572, 20961, 23358, 27948, 31373, 35037, 41922, 46716, 62746, 70074, 83844, 94119, 125492, 140148, 188238, 282357, 376476, 533341, 564714, 1066682, 1129428, 1600023, 2133364, 3200046, 4800069, 6400092, 9600138, 19200276]

約数ペア:

[(1, 19200276), (2, 9600138), (3, 6400092), (4, 4800069), (6, 3200046), (9, 2133364), (12, 1600023), (17, 1129428), (18, 1066682), (34, 564714), (36, 533341), (51, 376476), (68, 282357), (102, 188238), (137, 140148), (153, 125492), (204, 94119), (229, 83844), (274, 70074), (306, 62746), (411, 46716), (458, 41922), (548, 35037), (612, 31373), (687, 27948), (822, 23358), (916, 20961), (1233, 15572), (1374, 13974), (1644, 11679), (2061, 9316), (2329, 8244), (2466, 7786), (2748, 6987), (3893, 4932), (4122, 4658)]