19834948

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 41050240

約数和(自身を除く): 21215292

約数列:

[1, 2, 4, 7, 14, 28, 67, 97, 109, 134, 194, 218, 268, 388, 436, 469, 679, 763, 938, 1358, 1526, 1876, 2716, 3052, 6499, 7303, 10573, 12998, 14606, 21146, 25996, 29212, 42292, 45493, 51121, 74011, 90986, 102242, 148022, 181972, 204484, 296044, 708391, 1416782, 2833564, 4958737, 9917474, 19834948]

約数ペア:

[(1, 19834948), (2, 9917474), (4, 4958737), (7, 2833564), (14, 1416782), (28, 708391), (67, 296044), (97, 204484), (109, 181972), (134, 148022), (194, 102242), (218, 90986), (268, 74011), (388, 51121), (436, 45493), (469, 42292), (679, 29212), (763, 25996), (938, 21146), (1358, 14606), (1526, 12998), (1876, 10573), (2716, 7303), (3052, 6499)]