1948210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:306

約数の個数: 32

約数和(自身を含む): 3888000

約数和(自身を除く): 1939790

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 110, 178, 199, 398, 445, 890, 979, 995, 1958, 1990, 2189, 4378, 4895, 9790, 10945, 17711, 21890, 35422, 88555, 177110, 194821, 389642, 974105, 1948210]

約数ペア:

[(1, 1948210), (2, 974105), (5, 389642), (10, 194821), (11, 177110), (22, 88555), (55, 35422), (89, 21890), (110, 17711), (178, 10945), (199, 9790), (398, 4895), (445, 4378), (890, 2189), (979, 1990), (995, 1958)]