19700752

素因数分解:

$2^4\times {\mathrm{547}}^1\times {\mathrm{2251}}^1$

素因数の和:2806

約数の個数: 20

約数和(自身を含む): 38256976

約数和(自身を除く): 18556224

約数列:

[1, 2, 4, 8, 16, 547, 1094, 2188, 2251, 4376, 4502, 8752, 9004, 18008, 36016, 1231297, 2462594, 4925188, 9850376, 19700752]

約数ペア:

[(1, 19700752), (2, 9850376), (4, 4925188), (8, 2462594), (16, 1231297), (547, 36016), (1094, 18008), (2188, 9004), (2251, 8752), (4376, 4502)]