18390668

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{270451}}^1$

素因数の和:270472

約数の個数: 12

約数和(自身を含む): 34076952

約数和(自身を除く): 15686284

約数列:

[1, 2, 4, 17, 34, 68, 270451, 540902, 1081804, 4597667, 9195334, 18390668]

約数ペア:

[(1, 18390668), (2, 9195334), (4, 4597667), (17, 1081804), (34, 540902), (68, 270451)]