12789244

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{18919}}^1$

素因数の和:18949

約数の個数: 18

約数和(自身を含む): 24236520

約数和(自身を除く): 11447276

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 18919, 37838, 75676, 245947, 491894, 983788, 3197311, 6394622, 12789244]

約数ペア:

[(1, 12789244), (2, 6394622), (4, 3197311), (13, 983788), (26, 491894), (52, 245947), (169, 75676), (338, 37838), (676, 18919)]