199920368

素因数分解:

$2^4\times {\mathrm{503}}^1\times {\mathrm{24841}}^1$

素因数の和:25352

約数の個数: 20

約数和(自身を含む): 388131408

約数和(自身を除く): 188211040

約数列:

[1, 2, 4, 8, 16, 503, 1006, 2012, 4024, 8048, 24841, 49682, 99364, 198728, 397456, 12495023, 24990046, 49980092, 99960184, 199920368]

約数ペア:

[(1, 199920368), (2, 99960184), (4, 49980092), (8, 24990046), (16, 12495023), (503, 397456), (1006, 198728), (2012, 99364), (4024, 49682), (8048, 24841)]