1944366920

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{251861}}^1$

素因数の和:252065

約数の個数: 32

約数和(自身を含む): 4397510520

約数和(自身を除く): 2453143600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3860, 7720, 251861, 503722, 1007444, 1259305, 2014888, 2518610, 5037220, 10074440, 48609173, 97218346, 194436692, 243045865, 388873384, 486091730, 972183460, 1944366920]

約数ペア:

[(1, 1944366920), (2, 972183460), (4, 486091730), (5, 388873384), (8, 243045865), (10, 194436692), (20, 97218346), (40, 48609173), (193, 10074440), (386, 5037220), (772, 2518610), (965, 2014888), (1544, 1259305), (1930, 1007444), (3860, 503722), (7720, 251861)]