18784498516

素因数分解:

$2^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{647}}^1\times {\mathrm{10067}}^1$

素因数の和:10828

約数の個数: 48

約数和(自身を含む): 37996148736

約数和(自身を除く): 19211650220

約数列:

[1, 2, 4, 7, 14, 28, 103, 206, 412, 647, 721, 1294, 1442, 2588, 2884, 4529, 9058, 10067, 18116, 20134, 40268, 66641, 70469, 133282, 140938, 266564, 281876, 466487, 932974, 1036901, 1865948, 2073802, 4147604, 6513349, 7258307, 13026698, 14516614, 26053396, 29033228, 45593443, 91186886, 182373772, 670874947, 1341749894, 2683499788, 4696124629, 9392249258, 18784498516]

約数ペア:

[(1, 18784498516), (2, 9392249258), (4, 4696124629), (7, 2683499788), (14, 1341749894), (28, 670874947), (103, 182373772), (206, 91186886), (412, 45593443), (647, 29033228), (721, 26053396), (1294, 14516614), (1442, 13026698), (2588, 7258307), (2884, 6513349), (4529, 4147604), (9058, 2073802), (10067, 1865948), (18116, 1036901), (20134, 932974), (40268, 466487), (66641, 281876), (70469, 266564), (133282, 140938)]