18891148

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{353}}^1\times {\mathrm{787}}^1$

素因数の和:1161

約数の個数: 24

約数和(自身を含む): 35147952

約数和(自身を除く): 16256804

約数列:

[1, 2, 4, 17, 34, 68, 353, 706, 787, 1412, 1574, 3148, 6001, 12002, 13379, 24004, 26758, 53516, 277811, 555622, 1111244, 4722787, 9445574, 18891148]

約数ペア:

[(1, 18891148), (2, 9445574), (4, 4722787), (17, 1111244), (34, 555622), (68, 277811), (353, 53516), (706, 26758), (787, 24004), (1412, 13379), (1574, 12002), (3148, 6001)]