12980718

素因数分解:

$2^1\times 3^2\times {\mathrm{661}}^1\times {\mathrm{1091}}^1$

素因数の和:1760

約数の個数: 24

約数和(自身を含む): 28193256

約数和(自身を除く): 15212538

約数列:

[1, 2, 3, 6, 9, 18, 661, 1091, 1322, 1983, 2182, 3273, 3966, 5949, 6546, 9819, 11898, 19638, 721151, 1442302, 2163453, 4326906, 6490359, 12980718]

約数ペア:

[(1, 12980718), (2, 6490359), (3, 4326906), (6, 2163453), (9, 1442302), (18, 721151), (661, 19638), (1091, 11898), (1322, 9819), (1983, 6546), (2182, 5949), (3273, 3966)]