18902864

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{4597}}^1$

素因数の和:4862

約数の個数: 20

約数和(自身を含む): 36774804

約数和(自身を除く): 17871940

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 4112, 4597, 9194, 18388, 36776, 73552, 1181429, 2362858, 4725716, 9451432, 18902864]

約数ペア:

[(1, 18902864), (2, 9451432), (4, 4725716), (8, 2362858), (16, 1181429), (257, 73552), (514, 36776), (1028, 18388), (2056, 9194), (4112, 4597)]