19973883

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{2521}}^1$

素因数の和:2682

約数の個数: 16

約数和(自身を含む): 28246400

約数和(自身を除く): 8272517

約数列:

[1, 3, 19, 57, 139, 417, 2521, 2641, 7563, 7923, 47899, 143697, 350419, 1051257, 6657961, 19973883]

約数ペア:

[(1, 19973883), (3, 6657961), (19, 1051257), (57, 350419), (139, 143697), (417, 47899), (2521, 7923), (2641, 7563)]