18885757

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{811}}^1$

素因数の和:924

約数の個数: 16

約数和(自身を含む): 21631680

約数和(自身を除く): 2745923

約数列:

[1, 11, 29, 73, 319, 803, 811, 2117, 8921, 23287, 23519, 59203, 258709, 651233, 1716887, 18885757]

約数ペア:

[(1, 18885757), (11, 1716887), (29, 651233), (73, 258709), (319, 59203), (803, 23519), (811, 23287), (2117, 8921)]