18318128

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{60257}}^1$

素因数の和:60284

約数の個数: 20

約数和(自身を含む): 37359960

約数和(自身を除く): 19041832

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 60257, 120514, 241028, 482056, 964112, 1144883, 2289766, 4579532, 9159064, 18318128]

約数ペア:

[(1, 18318128), (2, 9159064), (4, 4579532), (8, 2289766), (16, 1144883), (19, 964112), (38, 482056), (76, 241028), (152, 120514), (304, 60257)]