18478473

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{593}}^1$

素因数の和:673

約数の個数: 32

約数和(自身を含む): 28740096

約数和(自身を除く): 10261623

約数列:

[1, 3, 13, 17, 39, 47, 51, 141, 221, 593, 611, 663, 799, 1779, 1833, 2397, 7709, 10081, 10387, 23127, 27871, 30243, 31161, 83613, 131053, 362323, 393159, 473807, 1086969, 1421421, 6159491, 18478473]

約数ペア:

[(1, 18478473), (3, 6159491), (13, 1421421), (17, 1086969), (39, 473807), (47, 393159), (51, 362323), (141, 131053), (221, 83613), (593, 31161), (611, 30243), (663, 27871), (799, 23127), (1779, 10387), (1833, 10081), (2397, 7709)]