18731402

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{1259}}^1$

素因数の和:1477

約数の個数: 16

約数和(自身を含む): 28939680

約数和(自身を除く): 10208278

約数列:

[1, 2, 43, 86, 173, 346, 1259, 2518, 7439, 14878, 54137, 108274, 217807, 435614, 9365701, 18731402]

約数ペア:

[(1, 18731402), (2, 9365701), (43, 435614), (86, 217807), (173, 108274), (346, 54137), (1259, 14878), (2518, 7439)]