18675955208

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{487}}^1\times {\mathrm{647}}^1$

素因数の和:1410

約数の個数: 64

約数和(自身を含む): 36429004800

約数和(自身を除く): 17753049592

約数列:

[1, 2, 4, 8, 31, 62, 124, 239, 248, 478, 487, 647, 956, 974, 1294, 1912, 1948, 2588, 3896, 5176, 7409, 14818, 15097, 20057, 29636, 30194, 40114, 59272, 60388, 80228, 116393, 120776, 154633, 160456, 232786, 309266, 315089, 465572, 618532, 630178, 931144, 1237064, 1260356, 2520712, 3608183, 4793623, 7216366, 9587246, 9767759, 14432732, 19174492, 19535518, 28865464, 38348984, 39071036, 75306271, 78142072, 150612542, 301225084, 602450168, 2334494401, 4668988802, 9337977604, 18675955208]

約数ペア:

[(1, 18675955208), (2, 9337977604), (4, 4668988802), (8, 2334494401), (31, 602450168), (62, 301225084), (124, 150612542), (239, 78142072), (248, 75306271), (478, 39071036), (487, 38348984), (647, 28865464), (956, 19535518), (974, 19174492), (1294, 14432732), (1912, 9767759), (1948, 9587246), (2588, 7216366), (3896, 4793623), (5176, 3608183), (7409, 2520712), (14818, 1260356), (15097, 1237064), (20057, 931144), (29636, 630178), (30194, 618532), (40114, 465572), (59272, 315089), (60388, 309266), (80228, 232786), (116393, 160456), (120776, 154633)]