19992868

素因数分解:

$2^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{3989}}^1$

素因数の和:4179

約数の個数: 24

約数和(自身を含む): 40219200

約数和(自身を除く): 20226332

約数列:

[1, 2, 4, 7, 14, 28, 179, 358, 716, 1253, 2506, 3989, 5012, 7978, 15956, 27923, 55846, 111692, 714031, 1428062, 2856124, 4998217, 9996434, 19992868]

約数ペア:

[(1, 19992868), (2, 9996434), (4, 4998217), (7, 2856124), (14, 1428062), (28, 714031), (179, 111692), (358, 55846), (716, 27923), (1253, 15956), (2506, 7978), (3989, 5012)]