12561966

素因数分解:

$2^1\times 3^4\times {\mathrm{77543}}^1$

素因数の和:77557

約数の個数: 20

約数和(自身を含む): 28148472

約数和(自身を除く): 15586506

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 77543, 155086, 232629, 465258, 697887, 1395774, 2093661, 4187322, 6280983, 12561966]

約数ペア:

[(1, 12561966), (2, 6280983), (3, 4187322), (6, 2093661), (9, 1395774), (18, 697887), (27, 465258), (54, 232629), (81, 155086), (162, 77543)]