18418964

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{619}}^1$

素因数の和:839

約数の個数: 24

約数和(自身を含む): 33227040

約数和(自身を除く): 14808076

約数列:

[1, 2, 4, 43, 86, 172, 173, 346, 619, 692, 1238, 2476, 7439, 14878, 26617, 29756, 53234, 106468, 107087, 214174, 428348, 4604741, 9209482, 18418964]

約数ペア:

[(1, 18418964), (2, 9209482), (4, 4604741), (43, 428348), (86, 214174), (172, 107087), (173, 106468), (346, 53234), (619, 29756), (692, 26617), (1238, 14878), (2476, 7439)]