19896902

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{443}}^1\times {\mathrm{1321}}^1$

素因数の和:1783

約数の個数: 16

約数和(自身を含む): 31696272

約数和(自身を除く): 11799370

約数列:

[1, 2, 17, 34, 443, 886, 1321, 2642, 7531, 15062, 22457, 44914, 585203, 1170406, 9948451, 19896902]

約数ペア:

[(1, 19896902), (2, 9948451), (17, 1170406), (34, 585203), (443, 44914), (886, 22457), (1321, 15062), (2642, 7531)]