18666795

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{233}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 35212320

約数和(自身を除く): 16545525

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 109, 147, 233, 245, 327, 545, 699, 735, 763, 1165, 1631, 1635, 2289, 3495, 3815, 4893, 5341, 8155, 11417, 11445, 16023, 24465, 25397, 26705, 34251, 57085, 76191, 80115, 126985, 171255, 177779, 380955, 533337, 888895, 1244453, 2666685, 3733359, 6222265, 18666795]

約数ペア:

[(1, 18666795), (3, 6222265), (5, 3733359), (7, 2666685), (15, 1244453), (21, 888895), (35, 533337), (49, 380955), (105, 177779), (109, 171255), (147, 126985), (233, 80115), (245, 76191), (327, 57085), (545, 34251), (699, 26705), (735, 25397), (763, 24465), (1165, 16023), (1631, 11445), (1635, 11417), (2289, 8155), (3495, 5341), (3815, 4893)]