18385904

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{5153}}^1$

素因数の和:5384

約数の個数: 20

約数和(自身を含む): 35789376

約数和(自身を除く): 17403472

約数列:

[1, 2, 4, 8, 16, 223, 446, 892, 1784, 3568, 5153, 10306, 20612, 41224, 82448, 1149119, 2298238, 4596476, 9192952, 18385904]

約数ペア:

[(1, 18385904), (2, 9192952), (4, 4596476), (8, 2298238), (16, 1149119), (223, 82448), (446, 41224), (892, 20612), (1784, 10306), (3568, 5153)]