19213726

素因数分解:

$2^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{7933}}^1$

素因数の和:8115

約数の個数: 16

約数和(自身を含む): 33132384

約数和(自身を除く): 13918658

約数列:

[1, 2, 7, 14, 173, 346, 1211, 2422, 7933, 15866, 55531, 111062, 1372409, 2744818, 9606863, 19213726]

約数ペア:

[(1, 19213726), (2, 9606863), (7, 2744818), (14, 1372409), (173, 111062), (346, 55531), (1211, 15866), (2422, 7933)]