20171213884

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{36293}}^1$

素因数の和:36490

約数の個数: 48

約数和(自身を含む): 38047726080

約数和(自身を除く): 17876512196

約数列:

[1, 2, 4, 19, 38, 71, 76, 103, 142, 206, 284, 412, 1349, 1957, 2698, 3914, 5396, 7313, 7828, 14626, 29252, 36293, 72586, 138947, 145172, 277894, 555788, 689567, 1379134, 2576803, 2758268, 3738179, 5153606, 7476358, 10307212, 14952716, 48959257, 71025401, 97918514, 142050802, 195837028, 265410709, 284101604, 530821418, 1061642836, 5042803471, 10085606942, 20171213884]

約数ペア:

[(1, 20171213884), (2, 10085606942), (4, 5042803471), (19, 1061642836), (38, 530821418), (71, 284101604), (76, 265410709), (103, 195837028), (142, 142050802), (206, 97918514), (284, 71025401), (412, 48959257), (1349, 14952716), (1957, 10307212), (2698, 7476358), (3914, 5153606), (5396, 3738179), (7313, 2758268), (7828, 2576803), (14626, 1379134), (29252, 689567), (36293, 555788), (72586, 277894), (138947, 145172)]