19392909568

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{673}}^1\times {\mathrm{3631}}^1$

素因数の和:4351

約数の個数: 72

約数和(自身を含む): 40029172736

約数和(自身を除く): 20636263168

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 673, 992, 1346, 1984, 2692, 3631, 3968, 5384, 7262, 7936, 10768, 14524, 20863, 21536, 29048, 41726, 43072, 58096, 83452, 86144, 112561, 116192, 166904, 172288, 225122, 232384, 333808, 450244, 464768, 667616, 900488, 929536, 1335232, 1800976, 2443663, 2670464, 3601952, 4887326, 5340928, 7203904, 9774652, 14407808, 19549304, 28815616, 39098608, 75753553, 78197216, 151507106, 156394432, 303014212, 312788864, 606028424, 625577728, 1212056848, 2424113696, 4848227392, 9696454784, 19392909568]

約数ペア:

[(1, 19392909568), (2, 9696454784), (4, 4848227392), (8, 2424113696), (16, 1212056848), (31, 625577728), (32, 606028424), (62, 312788864), (64, 303014212), (124, 156394432), (128, 151507106), (248, 78197216), (256, 75753553), (496, 39098608), (673, 28815616), (992, 19549304), (1346, 14407808), (1984, 9774652), (2692, 7203904), (3631, 5340928), (3968, 4887326), (5384, 3601952), (7262, 2670464), (7936, 2443663), (10768, 1800976), (14524, 1335232), (20863, 929536), (21536, 900488), (29048, 667616), (41726, 464768), (43072, 450244), (58096, 333808), (83452, 232384), (86144, 225122), (112561, 172288), (116192, 166904)]