19980056

素因数分解:

$2^3\times {\mathrm{337}}^1\times {\mathrm{7411}}^1$

素因数の和:7754

約数の個数: 16

約数和(自身を含む): 37578840

約数和(自身を除く): 17598784

約数列:

[1, 2, 4, 8, 337, 674, 1348, 2696, 7411, 14822, 29644, 59288, 2497507, 4995014, 9990028, 19980056]

約数ペア:

[(1, 19980056), (2, 9990028), (4, 4995014), (8, 2497507), (337, 59288), (674, 29644), (1348, 14822), (2696, 7411)]