19960048

素因数分解:

$2^4\times {\mathrm{173}}^1\times {\mathrm{7211}}^1$

素因数の和:7392

約数の個数: 20

約数和(自身を含む): 38901528

約数和(自身を除く): 18941480

約数列:

[1, 2, 4, 8, 16, 173, 346, 692, 1384, 2768, 7211, 14422, 28844, 57688, 115376, 1247503, 2495006, 4990012, 9980024, 19960048]

約数ペア:

[(1, 19960048), (2, 9980024), (4, 4990012), (8, 2495006), (16, 1247503), (173, 115376), (346, 57688), (692, 28844), (1384, 14422), (2768, 7211)]