19178516

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{937}}^1$

素因数の和:1008

約数の個数: 48

約数和(自身を含む): 41602176

約数和(自身を除く): 22423660

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 43, 68, 86, 119, 172, 238, 301, 476, 602, 731, 937, 1204, 1462, 1874, 2924, 3748, 5117, 6559, 10234, 13118, 15929, 20468, 26236, 31858, 40291, 63716, 80582, 111503, 161164, 223006, 282037, 446012, 564074, 684947, 1128148, 1369894, 2739788, 4794629, 9589258, 19178516]

約数ペア:

[(1, 19178516), (2, 9589258), (4, 4794629), (7, 2739788), (14, 1369894), (17, 1128148), (28, 684947), (34, 564074), (43, 446012), (68, 282037), (86, 223006), (119, 161164), (172, 111503), (238, 80582), (301, 63716), (476, 40291), (602, 31858), (731, 26236), (937, 20468), (1204, 15929), (1462, 13118), (1874, 10234), (2924, 6559), (3748, 5117)]