1849161320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{39887}}^1$

素因数の和:39978

約数の個数: 64

約数和(自身を含む): 4451500800

約数和(自身を除く): 2602339480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 61, 76, 95, 122, 152, 190, 244, 305, 380, 488, 610, 760, 1159, 1220, 2318, 2440, 4636, 5795, 9272, 11590, 23180, 39887, 46360, 79774, 159548, 199435, 319096, 398870, 757853, 797740, 1515706, 1595480, 2433107, 3031412, 3789265, 4866214, 6062824, 7578530, 9732428, 12165535, 15157060, 19464856, 24331070, 30314120, 46229033, 48662140, 92458066, 97324280, 184916132, 231145165, 369832264, 462290330, 924580660, 1849161320]

約数ペア:

[(1, 1849161320), (2, 924580660), (4, 462290330), (5, 369832264), (8, 231145165), (10, 184916132), (19, 97324280), (20, 92458066), (38, 48662140), (40, 46229033), (61, 30314120), (76, 24331070), (95, 19464856), (122, 15157060), (152, 12165535), (190, 9732428), (244, 7578530), (305, 6062824), (380, 4866214), (488, 3789265), (610, 3031412), (760, 2433107), (1159, 1595480), (1220, 1515706), (2318, 797740), (2440, 757853), (4636, 398870), (5795, 319096), (9272, 199435), (11590, 159548), (23180, 79774), (39887, 46360)]