19990322488

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{719}}^1\times {\mathrm{2851}}^1$

素因数の和:3652

約数の個数: 64

約数和(自身を含む): 39918873600

約数和(自身を除く): 19928551112

約数列:

[1, 2, 4, 8, 23, 46, 53, 92, 106, 184, 212, 424, 719, 1219, 1438, 2438, 2851, 2876, 4876, 5702, 5752, 9752, 11404, 16537, 22808, 33074, 38107, 65573, 66148, 76214, 131146, 132296, 151103, 152428, 262292, 302206, 304856, 524584, 604412, 876461, 1208824, 1752922, 2049869, 3475369, 3505844, 4099738, 6950738, 7011688, 8199476, 13901476, 16398952, 27802952, 47146987, 94293974, 108643057, 188587948, 217286114, 377175896, 434572228, 869144456, 2498790311, 4997580622, 9995161244, 19990322488]

約数ペア:

[(1, 19990322488), (2, 9995161244), (4, 4997580622), (8, 2498790311), (23, 869144456), (46, 434572228), (53, 377175896), (92, 217286114), (106, 188587948), (184, 108643057), (212, 94293974), (424, 47146987), (719, 27802952), (1219, 16398952), (1438, 13901476), (2438, 8199476), (2851, 7011688), (2876, 6950738), (4876, 4099738), (5702, 3505844), (5752, 3475369), (9752, 2049869), (11404, 1752922), (16537, 1208824), (22808, 876461), (33074, 604412), (38107, 524584), (65573, 304856), (66148, 302206), (76214, 262292), (131146, 152428), (132296, 151103)]