18819208

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{227}}^1\times {\mathrm{241}}^1$

素因数の和:517

約数の個数: 32

約数和(自身を含む): 36416160

約数和(自身を除く): 17596952

約数列:

[1, 2, 4, 8, 43, 86, 172, 227, 241, 344, 454, 482, 908, 964, 1816, 1928, 9761, 10363, 19522, 20726, 39044, 41452, 54707, 78088, 82904, 109414, 218828, 437656, 2352401, 4704802, 9409604, 18819208]

約数ペア:

[(1, 18819208), (2, 9409604), (4, 4704802), (8, 2352401), (43, 437656), (86, 218828), (172, 109414), (227, 82904), (241, 78088), (344, 54707), (454, 41452), (482, 39044), (908, 20726), (964, 19522), (1816, 10363), (1928, 9761)]