19781712

素因数分解:

$2^4\times 3^3\times {\mathrm{29}}^1\times {\mathrm{1579}}^1$

素因数の和:1625

約数の個数: 80

約数和(自身を含む): 58776000

約数和(自身を除く): 38994288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 29, 36, 48, 54, 58, 72, 87, 108, 116, 144, 174, 216, 232, 261, 348, 432, 464, 522, 696, 783, 1044, 1392, 1566, 1579, 2088, 3132, 3158, 4176, 4737, 6264, 6316, 9474, 12528, 12632, 14211, 18948, 25264, 28422, 37896, 42633, 45791, 56844, 75792, 85266, 91582, 113688, 137373, 170532, 183164, 227376, 274746, 341064, 366328, 412119, 549492, 682128, 732656, 824238, 1098984, 1236357, 1648476, 2197968, 2472714, 3296952, 4945428, 6593904, 9890856, 19781712]

約数ペア:

[(1, 19781712), (2, 9890856), (3, 6593904), (4, 4945428), (6, 3296952), (8, 2472714), (9, 2197968), (12, 1648476), (16, 1236357), (18, 1098984), (24, 824238), (27, 732656), (29, 682128), (36, 549492), (48, 412119), (54, 366328), (58, 341064), (72, 274746), (87, 227376), (108, 183164), (116, 170532), (144, 137373), (174, 113688), (216, 91582), (232, 85266), (261, 75792), (348, 56844), (432, 45791), (464, 42633), (522, 37896), (696, 28422), (783, 25264), (1044, 18948), (1392, 14211), (1566, 12632), (1579, 12528), (2088, 9474), (3132, 6316), (3158, 6264), (4176, 4737)]