19690011

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{3371}}^1$

素因数の和:3447

約数の個数: 24

約数和(自身を含む): 31561920

約数和(自身を除く): 11871909

約数列:

[1, 3, 9, 11, 33, 59, 99, 177, 531, 649, 1947, 3371, 5841, 10113, 30339, 37081, 111243, 198889, 333729, 596667, 1790001, 2187779, 6563337, 19690011]

約数ペア:

[(1, 19690011), (3, 6563337), (9, 2187779), (11, 1790001), (33, 596667), (59, 333729), (99, 198889), (177, 111243), (531, 37081), (649, 30339), (1947, 10113), (3371, 5841)]