19979646

素因数分解:

$2^1\times 3^1\times {\mathrm{523}}^1\times {\mathrm{6367}}^1$

素因数の和:6895

約数の個数: 16

約数和(自身を含む): 40041984

約数和(自身を除く): 20062338

約数列:

[1, 2, 3, 6, 523, 1046, 1569, 3138, 6367, 12734, 19101, 38202, 3329941, 6659882, 9989823, 19979646]

約数ペア:

[(1, 19979646), (2, 9989823), (3, 6659882), (6, 3329941), (523, 38202), (1046, 19101), (1569, 12734), (3138, 6367)]