18885963

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{7879}}^1$

素因数の和:7946

約数の個数: 16

約数和(自身を含む): 27233280

約数和(自身を除く): 8347317

約数列:

[1, 3, 17, 47, 51, 141, 799, 2397, 7879, 23637, 133943, 370313, 401829, 1110939, 6295321, 18885963]

約数ペア:

[(1, 18885963), (3, 6295321), (17, 1110939), (47, 401829), (51, 370313), (141, 133943), (799, 23637), (2397, 7879)]