19800568

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{79841}}^1$

素因数の和:79878

約数の個数: 16

約数和(自身を含む): 38324160

約数和(自身を除く): 18523592

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 79841, 159682, 319364, 638728, 2475071, 4950142, 9900284, 19800568]

約数ペア:

[(1, 19800568), (2, 9900284), (4, 4950142), (8, 2475071), (31, 638728), (62, 319364), (124, 159682), (248, 79841)]