18281648

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:127

約数の個数: 120

約数和(自身を含む): 47496960

約数和(自身を除く): 29215312

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 38, 44, 56, 71, 76, 77, 88, 112, 121, 133, 142, 152, 154, 176, 209, 242, 266, 284, 304, 308, 418, 484, 497, 532, 568, 616, 781, 836, 847, 968, 994, 1064, 1136, 1232, 1349, 1463, 1562, 1672, 1694, 1936, 1988, 2128, 2299, 2698, 2926, 3124, 3344, 3388, 3976, 4598, 5396, 5467, 5852, 6248, 6776, 7952, 8591, 9196, 9443, 10792, 10934, 11704, 12496, 13552, 14839, 16093, 17182, 18392, 18886, 21584, 21868, 23408, 29678, 32186, 34364, 36784, 37772, 43736, 59356, 60137, 64372, 68728, 75544, 87472, 103873, 118712, 120274, 128744, 137456, 151088, 163229, 207746, 237424, 240548, 257488, 326458, 415492, 481096, 652916, 830984, 962192, 1142603, 1305832, 1661968, 2285206, 2611664, 4570412, 9140824, 18281648]

約数ペア:

[(1, 18281648), (2, 9140824), (4, 4570412), (7, 2611664), (8, 2285206), (11, 1661968), (14, 1305832), (16, 1142603), (19, 962192), (22, 830984), (28, 652916), (38, 481096), (44, 415492), (56, 326458), (71, 257488), (76, 240548), (77, 237424), (88, 207746), (112, 163229), (121, 151088), (133, 137456), (142, 128744), (152, 120274), (154, 118712), (176, 103873), (209, 87472), (242, 75544), (266, 68728), (284, 64372), (304, 60137), (308, 59356), (418, 43736), (484, 37772), (497, 36784), (532, 34364), (568, 32186), (616, 29678), (781, 23408), (836, 21868), (847, 21584), (968, 18886), (994, 18392), (1064, 17182), (1136, 16093), (1232, 14839), (1349, 13552), (1463, 12496), (1562, 11704), (1672, 10934), (1694, 10792), (1936, 9443), (1988, 9196), (2128, 8591), (2299, 7952), (2698, 6776), (2926, 6248), (3124, 5852), (3344, 5467), (3388, 5396), (3976, 4598)]