19378824

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:342

約数の個数: 64

約数和(自身を含む): 50433600

約数和(自身を除く): 31054776

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 139, 148, 157, 222, 278, 296, 314, 417, 444, 471, 556, 628, 834, 888, 942, 1112, 1256, 1668, 1884, 3336, 3768, 5143, 5809, 10286, 11618, 15429, 17427, 20572, 21823, 23236, 30858, 34854, 41144, 43646, 46472, 61716, 65469, 69708, 87292, 123432, 130938, 139416, 174584, 261876, 523752, 807451, 1614902, 2422353, 3229804, 4844706, 6459608, 9689412, 19378824]

約数ペア:

[(1, 19378824), (2, 9689412), (3, 6459608), (4, 4844706), (6, 3229804), (8, 2422353), (12, 1614902), (24, 807451), (37, 523752), (74, 261876), (111, 174584), (139, 139416), (148, 130938), (157, 123432), (222, 87292), (278, 69708), (296, 65469), (314, 61716), (417, 46472), (444, 43646), (471, 41144), (556, 34854), (628, 30858), (834, 23236), (888, 21823), (942, 20572), (1112, 17427), (1256, 15429), (1668, 11618), (1884, 10286), (3336, 5809), (3768, 5143)]