18921568

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{31121}}^1$

素因数の和:31150

約数の個数: 24

約数和(自身を含む): 39213720

約数和(自身を除く): 20292152

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 31121, 62242, 124484, 248968, 497936, 591299, 995872, 1182598, 2365196, 4730392, 9460784, 18921568]

約数ペア:

[(1, 18921568), (2, 9460784), (4, 4730392), (8, 2365196), (16, 1182598), (19, 995872), (32, 591299), (38, 497936), (76, 248968), (152, 124484), (304, 62242), (608, 31121)]