19980582

素因数分解:

$2^1\times 3^1\times {\mathrm{643}}^1\times {\mathrm{5179}}^1$

素因数の和:5827

約数の個数: 16

約数和(自身を含む): 40031040

約数和(自身を除く): 20050458

約数列:

[1, 2, 3, 6, 643, 1286, 1929, 3858, 5179, 10358, 15537, 31074, 3330097, 6660194, 9990291, 19980582]

約数ペア:

[(1, 19980582), (2, 9990291), (3, 6660194), (6, 3330097), (643, 31074), (1286, 15537), (1929, 10358), (3858, 5179)]