12878476

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19051}}^1$

素因数の和:19081

約数の個数: 18

約数和(自身を含む): 24405612

約数和(自身を除く): 11527136

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 19051, 38102, 76204, 247663, 495326, 990652, 3219619, 6439238, 12878476]

約数ペア:

[(1, 12878476), (2, 6439238), (4, 3219619), (13, 990652), (26, 495326), (52, 247663), (169, 76204), (338, 38102), (676, 19051)]