12643938

素因数分解:

$2^1\times 3^4\times {\mathrm{78049}}^1$

素因数の和:78063

約数の個数: 20

約数和(自身を含む): 28332150

約数和(自身を除く): 15688212

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 78049, 156098, 234147, 468294, 702441, 1404882, 2107323, 4214646, 6321969, 12643938]

約数ペア:

[(1, 12643938), (2, 6321969), (3, 4214646), (6, 2107323), (9, 1404882), (18, 702441), (27, 468294), (54, 234147), (81, 156098), (162, 78049)]