16520728

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{15527}}^1$

素因数の和:15559

約数の個数: 32

約数和(自身を含む): 37267200

約数和(自身を除く): 20746472

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 15527, 31054, 62108, 108689, 124216, 217378, 295013, 434756, 590026, 869512, 1180052, 2065091, 2360104, 4130182, 8260364, 16520728]

約数ペア:

[(1, 16520728), (2, 8260364), (4, 4130182), (7, 2360104), (8, 2065091), (14, 1180052), (19, 869512), (28, 590026), (38, 434756), (56, 295013), (76, 217378), (133, 124216), (152, 108689), (266, 62108), (532, 31054), (1064, 15527)]