19491417

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 32348160

約数和(自身を除く): 12856743

約数列:

[1, 3, 9, 11, 33, 47, 59, 71, 99, 141, 177, 213, 423, 517, 531, 639, 649, 781, 1551, 1947, 2343, 2773, 3337, 4189, 4653, 5841, 7029, 8319, 10011, 12567, 24957, 30033, 30503, 36707, 37701, 46079, 91509, 110121, 138237, 196883, 274527, 330363, 414711, 590649, 1771947, 2165713, 6497139, 19491417]

約数ペア:

[(1, 19491417), (3, 6497139), (9, 2165713), (11, 1771947), (33, 590649), (47, 414711), (59, 330363), (71, 274527), (99, 196883), (141, 138237), (177, 110121), (213, 91509), (423, 46079), (517, 37701), (531, 36707), (639, 30503), (649, 30033), (781, 24957), (1551, 12567), (1947, 10011), (2343, 8319), (2773, 7029), (3337, 5841), (4189, 4653)]