2019978416

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{921523}}^1$

素因数の和:921668

約数の個数: 20

約数和(自身を含む): 3942279672

約数和(自身を除く): 1922301256

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 921523, 1843046, 3686092, 7372184, 14744368, 126248651, 252497302, 504994604, 1009989208, 2019978416]

約数ペア:

[(1, 2019978416), (2, 1009989208), (4, 504994604), (8, 252497302), (16, 126248651), (137, 14744368), (274, 7372184), (548, 3686092), (1096, 1843046), (2192, 921523)]