9981916

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{647}}^1$

素因数の和:706

約数の個数: 48

約数和(自身を含む): 21772800

約数和(自身を除く): 11790884

約数列:

[1, 2, 4, 7, 14, 19, 28, 29, 38, 58, 76, 116, 133, 203, 266, 406, 532, 551, 647, 812, 1102, 1294, 2204, 2588, 3857, 4529, 7714, 9058, 12293, 15428, 18116, 18763, 24586, 37526, 49172, 75052, 86051, 131341, 172102, 262682, 344204, 356497, 525364, 712994, 1425988, 2495479, 4990958, 9981916]

約数ペア:

[(1, 9981916), (2, 4990958), (4, 2495479), (7, 1425988), (14, 712994), (19, 525364), (28, 356497), (29, 344204), (38, 262682), (58, 172102), (76, 131341), (116, 86051), (133, 75052), (203, 49172), (266, 37526), (406, 24586), (532, 18763), (551, 18116), (647, 15428), (812, 12293), (1102, 9058), (1294, 7714), (2204, 4529), (2588, 3857)]