19791744

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:260

約数の個数: 128

約数和(自身を含む): 62016000

約数和(自身を除く): 42224256

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 37, 42, 48, 56, 64, 74, 84, 96, 111, 112, 128, 148, 168, 192, 199, 222, 224, 259, 296, 336, 384, 398, 444, 448, 518, 592, 597, 672, 777, 796, 888, 896, 1036, 1184, 1194, 1344, 1393, 1554, 1592, 1776, 2072, 2368, 2388, 2688, 2786, 3108, 3184, 3552, 4144, 4179, 4736, 4776, 5572, 6216, 6368, 7104, 7363, 8288, 8358, 9552, 11144, 12432, 12736, 14208, 14726, 16576, 16716, 19104, 22089, 22288, 24864, 25472, 29452, 33152, 33432, 38208, 44178, 44576, 49728, 51541, 58904, 66864, 76416, 88356, 89152, 99456, 103082, 117808, 133728, 154623, 176712, 178304, 206164, 235616, 267456, 309246, 353424, 412328, 471232, 534912, 618492, 706848, 824656, 942464, 1236984, 1413696, 1649312, 2473968, 2827392, 3298624, 4947936, 6597248, 9895872, 19791744]

約数ペア:

[(1, 19791744), (2, 9895872), (3, 6597248), (4, 4947936), (6, 3298624), (7, 2827392), (8, 2473968), (12, 1649312), (14, 1413696), (16, 1236984), (21, 942464), (24, 824656), (28, 706848), (32, 618492), (37, 534912), (42, 471232), (48, 412328), (56, 353424), (64, 309246), (74, 267456), (84, 235616), (96, 206164), (111, 178304), (112, 176712), (128, 154623), (148, 133728), (168, 117808), (192, 103082), (199, 99456), (222, 89152), (224, 88356), (259, 76416), (296, 66864), (336, 58904), (384, 51541), (398, 49728), (444, 44576), (448, 44178), (518, 38208), (592, 33432), (597, 33152), (672, 29452), (777, 25472), (796, 24864), (888, 22288), (896, 22089), (1036, 19104), (1184, 16716), (1194, 16576), (1344, 14726), (1393, 14208), (1554, 12736), (1592, 12432), (1776, 11144), (2072, 9552), (2368, 8358), (2388, 8288), (2688, 7363), (2786, 7104), (3108, 6368), (3184, 6216), (3552, 5572), (4144, 4776), (4179, 4736)]