18628784

素因数分解:

$2^4\times {\mathrm{653}}^1\times {\mathrm{1783}}^1$

素因数の和:2444

約数の個数: 20

約数和(自身を含む): 36168816

約数和(自身を除く): 17540032

約数列:

[1, 2, 4, 8, 16, 653, 1306, 1783, 2612, 3566, 5224, 7132, 10448, 14264, 28528, 1164299, 2328598, 4657196, 9314392, 18628784]

約数ペア:

[(1, 18628784), (2, 9314392), (4, 4657196), (8, 2328598), (16, 1164299), (653, 28528), (1306, 14264), (1783, 10448), (2612, 7132), (3566, 5224)]