18931318

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{28771}}^1$

素因数の和:28827

約数の個数: 16

約数和(自身を含む): 33145344

約数和(自身を除く): 14214026

約数列:

[1, 2, 7, 14, 47, 94, 329, 658, 28771, 57542, 201397, 402794, 1352237, 2704474, 9465659, 18931318]

約数ペア:

[(1, 18931318), (2, 9465659), (7, 2704474), (14, 1352237), (47, 402794), (94, 201397), (329, 57542), (658, 28771)]