19546660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139619}}^1$

素因数の和:139635

約数の個数: 24

約数和(自身を含む): 46912320

約数和(自身を除く): 27365660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 139619, 279238, 558476, 698095, 977333, 1396190, 1954666, 2792380, 3909332, 4886665, 9773330, 19546660]

約数ペア:

[(1, 19546660), (2, 9773330), (4, 4886665), (5, 3909332), (7, 2792380), (10, 1954666), (14, 1396190), (20, 977333), (28, 698095), (35, 558476), (70, 279238), (140, 139619)]