17969140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{128351}}^1$

素因数の和:128367

約数の個数: 24

約数和(自身を含む): 43126272

約数和(自身を除く): 25157132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 128351, 256702, 513404, 641755, 898457, 1283510, 1796914, 2567020, 3593828, 4492285, 8984570, 17969140]

約数ペア:

[(1, 17969140), (2, 8984570), (4, 4492285), (5, 3593828), (7, 2567020), (10, 1796914), (14, 1283510), (20, 898457), (28, 641755), (35, 513404), (70, 256702), (140, 128351)]