18147983

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{193}}^1$

素因数の和:327

約数の個数: 24

約数和(自身を含む): 22558320

約数和(自身を除く): 4410337

約数列:

[1, 7, 19, 49, 101, 133, 193, 707, 931, 1351, 1919, 3667, 4949, 9457, 13433, 19493, 25669, 94031, 136451, 179683, 370367, 955157, 2592569, 18147983]

約数ペア:

[(1, 18147983), (7, 2592569), (19, 955157), (49, 370367), (101, 179683), (133, 136451), (193, 94031), (707, 25669), (931, 19493), (1351, 13433), (1919, 9457), (3667, 4949)]