19986104

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{277}}^1\times {\mathrm{311}}^1$

素因数の和:623

約数の個数: 32

約数和(自身を含む): 39031200

約数和(自身を除く): 19045096

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 277, 311, 554, 622, 1108, 1244, 2216, 2488, 8033, 9019, 16066, 18038, 32132, 36076, 64264, 72152, 86147, 172294, 344588, 689176, 2498263, 4996526, 9993052, 19986104]

約数ペア:

[(1, 19986104), (2, 9993052), (4, 4996526), (8, 2498263), (29, 689176), (58, 344588), (116, 172294), (232, 86147), (277, 72152), (311, 64264), (554, 36076), (622, 32132), (1108, 18038), (1244, 16066), (2216, 9019), (2488, 8033)]