19968054

素因数分解:

$2^1\times 3^1\times {\mathrm{251}}^1\times {\mathrm{13259}}^1$

素因数の和:13515

約数の個数: 16

約数和(自身を含む): 40098240

約数和(自身を除く): 20130186

約数列:

[1, 2, 3, 6, 251, 502, 753, 1506, 13259, 26518, 39777, 79554, 3328009, 6656018, 9984027, 19968054]

約数ペア:

[(1, 19968054), (2, 9984027), (3, 6656018), (6, 3328009), (251, 79554), (502, 39777), (753, 26518), (1506, 13259)]