12943142

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{7247}}^1$

素因数の和:7315

約数の個数: 16

約数和(自身を含む): 20874240

約数和(自身を除く): 7931098

約数列:

[1, 2, 19, 38, 47, 94, 893, 1786, 7247, 14494, 137693, 275386, 340609, 681218, 6471571, 12943142]

約数ペア:

[(1, 12943142), (2, 6471571), (19, 681218), (38, 340609), (47, 275386), (94, 137693), (893, 14494), (1786, 7247)]