19855708

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{1283}}^1$

素因数の和:1413

約数の個数: 24

約数和(自身を含む): 35916048

約数和(自身を除く): 16060340

約数列:

[1, 2, 4, 53, 73, 106, 146, 212, 292, 1283, 2566, 3869, 5132, 7738, 15476, 67999, 93659, 135998, 187318, 271996, 374636, 4963927, 9927854, 19855708]

約数ペア:

[(1, 19855708), (2, 9927854), (4, 4963927), (53, 374636), (73, 271996), (106, 187318), (146, 135998), (212, 93659), (292, 67999), (1283, 15476), (2566, 7738), (3869, 5132)]