19996216

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{147031}}^1$

素因数の和:147054

約数の個数: 16

約数和(自身を含む): 39698640

約数和(自身を除く): 19702424

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 147031, 294062, 588124, 1176248, 2499527, 4999054, 9998108, 19996216]

約数ペア:

[(1, 19996216), (2, 9998108), (4, 4999054), (8, 2499527), (17, 1176248), (34, 588124), (68, 294062), (136, 147031)]