20181976

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{47599}}^1$

素因数の和:47658

約数の個数: 16

約数和(自身を含む): 38556000

約数和(自身を除く): 18374024

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 47599, 95198, 190396, 380792, 2522747, 5045494, 10090988, 20181976]

約数ペア:

[(1, 20181976), (2, 10090988), (4, 5045494), (8, 2522747), (53, 380792), (106, 190396), (212, 95198), (424, 47599)]