19009919476

素因数分解:

$2^2\times {\mathrm{67979}}^1\times {\mathrm{69911}}^1$

素因数の和:137894

約数の個数: 12

約数和(自身を含む): 33268324320

約数和(自身を除く): 14258404844

約数列:

[1, 2, 4, 67979, 69911, 135958, 139822, 271916, 279644, 4752479869, 9504959738, 19009919476]

約数ペア:

[(1, 19009919476), (2, 9504959738), (4, 4752479869), (67979, 279644), (69911, 271916), (135958, 139822)]