38967784

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 78455520

約数和(自身を除く): 39487736

約数列:

[1, 2, 4, 8, 19, 38, 76, 103, 131, 152, 206, 262, 361, 412, 524, 722, 824, 1048, 1444, 1957, 2489, 2888, 3914, 4978, 7828, 9956, 13493, 15656, 19912, 26986, 37183, 47291, 53972, 74366, 94582, 107944, 148732, 189164, 256367, 297464, 378328, 512734, 1025468, 2050936, 4870973, 9741946, 19483892, 38967784]

約数ペア:

[(1, 38967784), (2, 19483892), (4, 9741946), (8, 4870973), (19, 2050936), (38, 1025468), (76, 512734), (103, 378328), (131, 297464), (152, 256367), (206, 189164), (262, 148732), (361, 107944), (412, 94582), (524, 74366), (722, 53972), (824, 47291), (1048, 37183), (1444, 26986), (1957, 19912), (2489, 15656), (2888, 13493), (3914, 9956), (4978, 7828)]