18897914

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{293}}^1$

素因数の和:590

約数の個数: 32

約数和(自身を含む): 34546176

約数和(自身を除く): 15648262

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 271, 293, 542, 586, 1897, 2051, 3794, 4102, 4607, 4981, 9214, 9962, 32249, 34867, 64498, 69734, 79403, 158806, 555821, 1111642, 1349851, 2699702, 9448957, 18897914]

約数ペア:

[(1, 18897914), (2, 9448957), (7, 2699702), (14, 1349851), (17, 1111642), (34, 555821), (119, 158806), (238, 79403), (271, 69734), (293, 64498), (542, 34867), (586, 32249), (1897, 9962), (2051, 9214), (3794, 4981), (4102, 4607)]