18821894

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5443}}^1$

素因数の和:5484

約数の個数: 32

約数和(自身を含む): 36583680

約数和(自身を除く): 17761786

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 182, 247, 266, 494, 1729, 3458, 5443, 10886, 38101, 70759, 76202, 103417, 141518, 206834, 495313, 723919, 990626, 1344421, 1447838, 2688842, 9410947, 18821894]

約数ペア:

[(1, 18821894), (2, 9410947), (7, 2688842), (13, 1447838), (14, 1344421), (19, 990626), (26, 723919), (38, 495313), (91, 206834), (133, 141518), (182, 103417), (247, 76202), (266, 70759), (494, 38101), (1729, 10886), (3458, 5443)]