18938710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{270553}}^1$

素因数の和:270567

約数の個数: 16

約数和(自身を含む): 38959776

約数和(自身を除く): 20021066

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 270553, 541106, 1352765, 1893871, 2705530, 3787742, 9469355, 18938710]

約数ペア:

[(1, 18938710), (2, 9469355), (5, 3787742), (7, 2705530), (10, 1893871), (14, 1352765), (35, 541106), (70, 270553)]