18985804

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{279203}}^1$

素因数の和:279224

約数の個数: 12

約数和(自身を含む): 35179704

約数和(自身を除く): 16193900

約数列:

[1, 2, 4, 17, 34, 68, 279203, 558406, 1116812, 4746451, 9492902, 18985804]

約数ペア:

[(1, 18985804), (2, 9492902), (4, 4746451), (17, 1116812), (34, 558406), (68, 279203)]