19883736

素因数分解:

$2^3\times 3^2\times {\mathrm{157}}^1\times {\mathrm{1759}}^1$

素因数の和:1928

約数の個数: 48

約数和(自身を含む): 54225600

約数和(自身を除く): 34341864

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 157, 314, 471, 628, 942, 1256, 1413, 1759, 1884, 2826, 3518, 3768, 5277, 5652, 7036, 10554, 11304, 14072, 15831, 21108, 31662, 42216, 63324, 126648, 276163, 552326, 828489, 1104652, 1656978, 2209304, 2485467, 3313956, 4970934, 6627912, 9941868, 19883736]

約数ペア:

[(1, 19883736), (2, 9941868), (3, 6627912), (4, 4970934), (6, 3313956), (8, 2485467), (9, 2209304), (12, 1656978), (18, 1104652), (24, 828489), (36, 552326), (72, 276163), (157, 126648), (314, 63324), (471, 42216), (628, 31662), (942, 21108), (1256, 15831), (1413, 14072), (1759, 11304), (1884, 10554), (2826, 7036), (3518, 5652), (3768, 5277)]