18973896

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{929}}^1$

素因数の和:998

約数の個数: 64

約数和(自身を含む): 50889600

約数和(自身を除く): 31915704

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 37, 46, 69, 74, 92, 111, 138, 148, 184, 222, 276, 296, 444, 552, 851, 888, 929, 1702, 1858, 2553, 2787, 3404, 3716, 5106, 5574, 6808, 7432, 10212, 11148, 20424, 21367, 22296, 34373, 42734, 64101, 68746, 85468, 103119, 128202, 137492, 170936, 206238, 256404, 274984, 412476, 512808, 790579, 824952, 1581158, 2371737, 3162316, 4743474, 6324632, 9486948, 18973896]

約数ペア:

[(1, 18973896), (2, 9486948), (3, 6324632), (4, 4743474), (6, 3162316), (8, 2371737), (12, 1581158), (23, 824952), (24, 790579), (37, 512808), (46, 412476), (69, 274984), (74, 256404), (92, 206238), (111, 170936), (138, 137492), (148, 128202), (184, 103119), (222, 85468), (276, 68746), (296, 64101), (444, 42734), (552, 34373), (851, 22296), (888, 21367), (929, 20424), (1702, 11148), (1858, 10212), (2553, 7432), (2787, 6808), (3404, 5574), (3716, 5106)]