18903808210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{270054403}}^1$

素因数の和:270054417

約数の個数: 16

約数和(自身を含む): 38887834176

約数和(自身を除く): 19984025966

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 270054403, 540108806, 1350272015, 1890380821, 2700544030, 3780761642, 9451904105, 18903808210]

約数ペア:

[(1, 18903808210), (2, 9451904105), (5, 3780761642), (7, 2700544030), (10, 1890380821), (14, 1350272015), (35, 540108806), (70, 270054403)]