19913091

素因数分解:

$3^1\times {\mathrm{11}}^3\times {\mathrm{4987}}^1$

素因数の和:5023

約数の個数: 16

約数和(自身を含む): 29209728

約数和(自身を除く): 9296637

約数列:

[1, 3, 11, 33, 121, 363, 1331, 3993, 4987, 14961, 54857, 164571, 603427, 1810281, 6637697, 19913091]

約数ペア:

[(1, 19913091), (3, 6637697), (11, 1810281), (33, 603427), (121, 164571), (363, 54857), (1331, 14961), (3993, 4987)]