18487334

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1\times {\mathrm{947}}^1$

素因数の和:1219

約数の個数: 16

約数和(自身を含む): 28531008

約数和(自身を除く): 10043674

約数列:

[1, 2, 43, 86, 227, 454, 947, 1894, 9761, 19522, 40721, 81442, 214969, 429938, 9243667, 18487334]

約数ペア:

[(1, 18487334), (2, 9243667), (43, 429938), (86, 214969), (227, 81442), (454, 40721), (947, 19522), (1894, 9761)]