18140696

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{7901}}^1$

素因数の和:7955

約数の個数: 32

約数和(自身を含む): 39826080

約数和(自身を除く): 21685384

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 7901, 15802, 31604, 55307, 63208, 110614, 221228, 323941, 442456, 647882, 1295764, 2267587, 2591528, 4535174, 9070348, 18140696]

約数ペア:

[(1, 18140696), (2, 9070348), (4, 4535174), (7, 2591528), (8, 2267587), (14, 1295764), (28, 647882), (41, 442456), (56, 323941), (82, 221228), (164, 110614), (287, 63208), (328, 55307), (574, 31604), (1148, 15802), (2296, 7901)]