19524681

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{17929}}^1$

素因数の和:17957

約数の個数: 18

約数和(自身を含む): 31000970

約数和(自身を除く): 11476289

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 17929, 53787, 161361, 197219, 591657, 1774971, 2169409, 6508227, 19524681]

約数ペア:

[(1, 19524681), (3, 6508227), (9, 2169409), (11, 1774971), (33, 591657), (99, 197219), (121, 161361), (363, 53787), (1089, 17929)]