19706918

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1$

素因数の和:309

約数の個数: 48

約数和(自身を含む): 38093328

約数和(自身を除く): 18386410

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 101, 154, 181, 202, 362, 539, 707, 1078, 1111, 1267, 1414, 1991, 2222, 2534, 3982, 4949, 7777, 8869, 9898, 13937, 15554, 17738, 18281, 27874, 36562, 54439, 97559, 108878, 127967, 195118, 201091, 255934, 402182, 895769, 1407637, 1791538, 2815274, 9853459, 19706918]

約数ペア:

[(1, 19706918), (2, 9853459), (7, 2815274), (11, 1791538), (14, 1407637), (22, 895769), (49, 402182), (77, 255934), (98, 201091), (101, 195118), (154, 127967), (181, 108878), (202, 97559), (362, 54439), (539, 36562), (707, 27874), (1078, 18281), (1111, 17738), (1267, 15554), (1414, 13937), (1991, 9898), (2222, 8869), (2534, 7777), (3982, 4949)]