18901372

素因数分解:

$2^2\times 7^1\times {\mathrm{277}}^1\times {\mathrm{2437}}^1$

素因数の和:2725

約数の個数: 24

約数和(自身を含む): 37954784

約数和(自身を除く): 19053412

約数列:

[1, 2, 4, 7, 14, 28, 277, 554, 1108, 1939, 2437, 3878, 4874, 7756, 9748, 17059, 34118, 68236, 675049, 1350098, 2700196, 4725343, 9450686, 18901372]

約数ペア:

[(1, 18901372), (2, 9450686), (4, 4725343), (7, 2700196), (14, 1350098), (28, 675049), (277, 68236), (554, 34118), (1108, 17059), (1939, 9748), (2437, 7756), (3878, 4874)]