19138280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{68351}}^1$

素因数の和:68369

約数の個数: 32

約数和(自身を含む): 49213440

約数和(自身を除く): 30075160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 68351, 136702, 273404, 341755, 478457, 546808, 683510, 956914, 1367020, 1913828, 2392285, 2734040, 3827656, 4784570, 9569140, 19138280]

約数ペア:

[(1, 19138280), (2, 9569140), (4, 4784570), (5, 3827656), (7, 2734040), (8, 2392285), (10, 1913828), (14, 1367020), (20, 956914), (28, 683510), (35, 546808), (40, 478457), (56, 341755), (70, 273404), (140, 136702), (280, 68351)]