2018206790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1\times {\mathrm{1171}}^1$

素因数の和:1437

約数の個数: 64

約数和(自身を含む): 3928919040

約数和(自身を除く): 1910712250

約数列:

[1, 2, 5, 10, 19, 38, 47, 94, 95, 190, 193, 235, 386, 470, 893, 965, 1171, 1786, 1930, 2342, 3667, 4465, 5855, 7334, 8930, 9071, 11710, 18142, 18335, 22249, 36670, 44498, 45355, 55037, 90710, 110074, 111245, 172349, 222490, 226003, 275185, 344698, 452006, 550370, 861745, 1045703, 1130015, 1723490, 2091406, 2260030, 4294057, 5228515, 8588114, 10457030, 10622141, 21244282, 21470285, 42940570, 53110705, 106221410, 201820679, 403641358, 1009103395, 2018206790]

約数ペア:

[(1, 2018206790), (2, 1009103395), (5, 403641358), (10, 201820679), (19, 106221410), (38, 53110705), (47, 42940570), (94, 21470285), (95, 21244282), (190, 10622141), (193, 10457030), (235, 8588114), (386, 5228515), (470, 4294057), (893, 2260030), (965, 2091406), (1171, 1723490), (1786, 1130015), (1930, 1045703), (2342, 861745), (3667, 550370), (4465, 452006), (5855, 344698), (7334, 275185), (8930, 226003), (9071, 222490), (11710, 172349), (18142, 111245), (18335, 110074), (22249, 90710), (36670, 55037), (44498, 45355)]