18278764

素因数分解:

$2^2\times 7^2\times {\mathrm{179}}^1\times {\mathrm{521}}^1$

素因数の和:718

約数の個数: 36

約数和(自身を含む): 37490040

約数和(自身を除く): 19211276

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 179, 196, 358, 521, 716, 1042, 1253, 2084, 2506, 3647, 5012, 7294, 8771, 14588, 17542, 25529, 35084, 51058, 93259, 102116, 186518, 373036, 652813, 1305626, 2611252, 4569691, 9139382, 18278764]

約数ペア:

[(1, 18278764), (2, 9139382), (4, 4569691), (7, 2611252), (14, 1305626), (28, 652813), (49, 373036), (98, 186518), (179, 102116), (196, 93259), (358, 51058), (521, 35084), (716, 25529), (1042, 17542), (1253, 14588), (2084, 8771), (2506, 7294), (3647, 5012)]