18579981568

素因数分解:

$2^8\times {\mathrm{37}}^1\times {\mathrm{499}}^1\times {\mathrm{3931}}^1$

素因数の和:4483

約数の個数: 72

約数和(自身を含む): 38175788000

約数和(自身を除く): 19595806432

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 128, 148, 256, 296, 499, 592, 998, 1184, 1996, 2368, 3931, 3992, 4736, 7862, 7984, 9472, 15724, 15968, 18463, 31448, 31936, 36926, 62896, 63872, 73852, 125792, 127744, 145447, 147704, 251584, 290894, 295408, 503168, 581788, 590816, 1006336, 1163576, 1181632, 1961569, 2327152, 2363264, 3923138, 4654304, 4726528, 7846276, 9308608, 15692552, 18617216, 31385104, 37234432, 62770208, 72578053, 125540416, 145156106, 251080832, 290312212, 502161664, 580624424, 1161248848, 2322497696, 4644995392, 9289990784, 18579981568]

約数ペア:

[(1, 18579981568), (2, 9289990784), (4, 4644995392), (8, 2322497696), (16, 1161248848), (32, 580624424), (37, 502161664), (64, 290312212), (74, 251080832), (128, 145156106), (148, 125540416), (256, 72578053), (296, 62770208), (499, 37234432), (592, 31385104), (998, 18617216), (1184, 15692552), (1996, 9308608), (2368, 7846276), (3931, 4726528), (3992, 4654304), (4736, 3923138), (7862, 2363264), (7984, 2327152), (9472, 1961569), (15724, 1181632), (15968, 1163576), (18463, 1006336), (31448, 590816), (31936, 581788), (36926, 503168), (62896, 295408), (63872, 290894), (73852, 251584), (125792, 147704), (127744, 145447)]