18909852290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{270140747}}^1$

素因数の和:270140761

約数の個数: 16

約数和(自身を含む): 38900267712

約数和(自身を除く): 19990415422

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 270140747, 540281494, 1350703735, 1890985229, 2701407470, 3781970458, 9454926145, 18909852290]

約数ペア:

[(1, 18909852290), (2, 9454926145), (5, 3781970458), (7, 2701407470), (10, 1890985229), (14, 1350703735), (35, 540281494), (70, 270140747)]