18970322

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71317}}^1$

素因数の和:71345

約数の個数: 16

約数和(自身を含む): 34232640

約数和(自身を除く): 15262318

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 71317, 142634, 499219, 998438, 1355023, 2710046, 9485161, 18970322]

約数ペア:

[(1, 18970322), (2, 9485161), (7, 2710046), (14, 1355023), (19, 998438), (38, 499219), (133, 142634), (266, 71317)]