19391823

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{17807}}^1$

素因数の和:17835

約数の個数: 18

約数和(自身を含む): 30790032

約数和(自身を除く): 11398209

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 17807, 53421, 160263, 195877, 587631, 1762893, 2154647, 6463941, 19391823]

約数ペア:

[(1, 19391823), (3, 6463941), (9, 2154647), (11, 1762893), (33, 587631), (99, 195877), (121, 160263), (363, 53421), (1089, 17807)]