18778888976

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{4289}}^1\times {\mathrm{16097}}^1$

素因数の和:20411

約数の個数: 40

約数和(自身を含む): 38535714360

約数和(自身を除く): 19756825384

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 4289, 8578, 16097, 17156, 32194, 34312, 64388, 68624, 72913, 128776, 145826, 257552, 273649, 291652, 547298, 583304, 1094596, 1166608, 2189192, 4378384, 69040033, 138080066, 276160132, 552320264, 1104640528, 1173680561, 2347361122, 4694722244, 9389444488, 18778888976]

約数ペア:

[(1, 18778888976), (2, 9389444488), (4, 4694722244), (8, 2347361122), (16, 1173680561), (17, 1104640528), (34, 552320264), (68, 276160132), (136, 138080066), (272, 69040033), (4289, 4378384), (8578, 2189192), (16097, 1166608), (17156, 1094596), (32194, 583304), (34312, 547298), (64388, 291652), (68624, 273649), (72913, 257552), (128776, 145826)]