18421690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{263167}}^1$

素因数の和:263181

約数の個数: 16

約数和(自身を含む): 37896192

約数和(自身を除く): 19474502

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 263167, 526334, 1315835, 1842169, 2631670, 3684338, 9210845, 18421690]

約数ペア:

[(1, 18421690), (2, 9210845), (5, 3684338), (7, 2631670), (10, 1842169), (14, 1315835), (35, 526334), (70, 263167)]