18779926

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{1093}}^1$

素因数の和:1188

約数の個数: 24

約数和(自身を含む): 31428432

約数和(自身を除く): 12648506

約数列:

[1, 2, 11, 22, 71, 121, 142, 242, 781, 1093, 1562, 2186, 8591, 12023, 17182, 24046, 77603, 132253, 155206, 264506, 853633, 1707266, 9389963, 18779926]

約数ペア:

[(1, 18779926), (2, 9389963), (11, 1707266), (22, 853633), (71, 264506), (121, 155206), (142, 132253), (242, 77603), (781, 24046), (1093, 17182), (1562, 12023), (2186, 8591)]