19295988

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{463}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 47394816

約数和(自身を除く): 28098828

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 151, 276, 302, 453, 463, 604, 906, 926, 1389, 1812, 1852, 2778, 3473, 5556, 6946, 10419, 10649, 13892, 20838, 21298, 31947, 41676, 42596, 63894, 69913, 127788, 139826, 209739, 279652, 419478, 838956, 1607999, 3215998, 4823997, 6431996, 9647994, 19295988]

約数ペア:

[(1, 19295988), (2, 9647994), (3, 6431996), (4, 4823997), (6, 3215998), (12, 1607999), (23, 838956), (46, 419478), (69, 279652), (92, 209739), (138, 139826), (151, 127788), (276, 69913), (302, 63894), (453, 42596), (463, 41676), (604, 31947), (906, 21298), (926, 20838), (1389, 13892), (1812, 10649), (1852, 10419), (2778, 6946), (3473, 5556)]