9978724

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{18757}}^1$

素因数の和:18787

約数の個数: 24

約数和(自身を含む): 21008960

約数和(自身を除く): 11030236

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 18757, 37514, 75028, 131299, 262598, 356383, 525196, 712766, 1425532, 2494681, 4989362, 9978724]

約数ペア:

[(1, 9978724), (2, 4989362), (4, 2494681), (7, 1425532), (14, 712766), (19, 525196), (28, 356383), (38, 262598), (76, 131299), (133, 75028), (266, 37514), (532, 18757)]