18814959

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{5791}}^1$

素因数の和:5835

約数の個数: 18

約数和(自身を含む): 28687776

約数和(自身を除く): 9872817

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 3249, 5791, 17373, 52119, 110029, 330087, 990261, 2090551, 6271653, 18814959]

約数ペア:

[(1, 18814959), (3, 6271653), (9, 2090551), (19, 990261), (57, 330087), (171, 110029), (361, 52119), (1083, 17373), (3249, 5791)]